T-Word Vocabulary Definitions

Taal. Afrikaans.
tabanid. Horseflies (blood-sucking). (See also "reduvid")
tabard. 1. A heavy cape of coarse fabric. 2. A herald's or knight's cape over his armor blazoned with his coat of arms. 3. An embroidered pennant attached to a trumpet.
tabaret. Strong upholstery fabric: moiré alternating with satin.
tabboulah. Lebanese salad made with bulgur wheat, scallions, tomatoes, and parsley.
tabes. Wasting away (tabescent).
tabes dorsalis. Syphilitic. Hardening of the dorsal columns of the spinal cord.
tablature. 1. Obsolete musical notation. 2. Engraved tablet.
tableau vivant. Stage scene where actors remain silent and motionless.
table d'hôte. 1. Communal table in a hotel. 2. Fixed price full-course meal.
tabor. A fifer's small drum (fife and drum).
taboret. A low stool without a back or arms. 2. A low stand or cabinet. 3. An embroidery frame.
tacamahac. The balsam poplar or its aromatic resin (used in ointments and incenses).
tacet. Must be silent.
tache. A clasp or buckle (as in "attach").
tachina fly. Bristly, grayish flies whose larva are parasitic within other insects.
tachism. Action painting.
tachygraphy. Shorthand.
tachylyte. Black, glassy, basaltic rock.
tachymeter. Surveying instrument for rapid measurements of distances, elevations, and bearings.
taconite. Fine-grained sedimentary rock of magnetite, hematite, and quartz. Used as a low-grade iron ore.
tael 1. 1.33 ounces (East Asia). 2. Chinese coin worth 1 1/3rd oz. of silver.
taenia. 1. Narrow band or hair-ribbon worn in Greece. 2. Band in the Doric order separating frieze from architrave. 3. ribbon-like anatomical structure. 4. Flatworm.
tafia. Cheap West Indies rum made from molasses and refuse sugar. ("rotgut tafia")
tahini. Thick, smooth sauce from ground sesame seeds. ("We cooked the talapia in tahini sauce.")
tahr. Goat-like mammals in and around Nepal. (takin)
tahsildar. Indian district official in charge of revenues. (Indian district money man).
tai chi. Chinese exercises for meditation and the development of self-discipline and sense of well-being.
taiga. Subarctic Siberian evergreen forest.
tail. The limitation of the inheritance of an estate to a particular person or persons.
tail beam. A tailpiece.
taille. Direct royal taxation (Louis XVI) on non-privileged subjects and lands, and weighing most heavily on the peasants.
tailstock. Of a lathe.
tain. 1. Paper-thin tin plate. 2. Tinfoil used as a backing for mirrors.
taj. A tall, conical cap worn by Muslims as a headdress of distinction.
takahe. Almost-extinct, New Zealand, brightly colored, flightless bird: large bill.
takin. Central Asian (Tibeto-Burman) goat-like mammal with backward-pointing horns. (tahr)
talapoin. African monkey, greenish fur, long tail. (tamarin)
talaria. Mercury , Iris, and Hermes winged sandals.
taler. 15th to 19th Germanic silver coins.
tales. People summoned to fill vacancies on a jury. 2. Writ to summon them. (voir dire)
talion. A punishment identical to the crime: death sentence for murder.
talipes. Clubfoot.
talipot. Asian palm. (tall pot).
tallage. An occasional tax levied by Norman kings on crown lands and royal towns.
tallith. Fringed prayer shawl with bands of black or blue.
tall oil. Pine pulp oil used in soaps, emulsions, and lubricants.
Talmi gold. Gold and brass.
Talmud. Mishna and Gemara.
talus. Tarsal bone that articulates with the tibia and the fibula to form anklebone.
tamandua. Tropical American arboreal anteater having dense furry coat. ("pangolin").
tamarack. Hackamack larch tree.
tamarau. Small, short-horned Philippine buffalo.
tamarin. S. A. long-tailed monkey. (talapoin)
tamarind. 1. A tropical Old World tree with striped yellow flowers. 2. Its fruit.
tamarisk. Shrub.
tambala. Malawi currency.
tambourra. Unfretted Indian lute.
tambourin. 1. Long, narrow, Provencal drum. 2. Two-beat dance style, accompanied by a tambourin
tambourine. A tambourine.
Tampico hemp. Pita (pineapple with fibrous leaves).
tamion. Dust plug for cannon.
tampon. Plug in wound to staunch flow of blood.
tamtam. 1. Set of tuned gongs for gamelan orchestra. 2. A tom-tom.
tangelo. A cross between a grapefruit and a tangerine.
tangoreceptor. Cutaneous receptor that responds to touch and pressure.
tangram. Chinese puzzle: a square cut into 5 triangles, a square and a rhomboid, to be assembled into different figures.
tanist. The heir apparent to a Celtic chief, elected during the chief's lifetime.
tanka. 5-line Japanese verse form, 1st and 3rd lines comprised of 5 syllables, the rest of 7.
tanka. Tibetan religious painting painted on fabric.
Tanka. Chinese/Hong-Kong boat people.
tannage. 1. Tanning process. 2. Something tanned.
tanner. A sixpence.
tantara. 1. A trumpet fanfare. 2.. A hunting cry.
tantivy. 1. At full gallop. 2. A hunting cry. 3. A fast and furious gallop.
tantra. Hindu or Buddhist religious writings concerned with mysticism and magic.
tanzanite. Gemstone. Exhibits blue, violet, or greenish color depending on the polarization of the light.
tapa. 1. Inner bark of paper mulberry. 2. Paper-like cloth made from the tapa (Marquesan and Tahitian - Marquesas Islands).
tapetum. 1. A layer of primitive cells within the sporangium of ferns or within the anthers of seed plants. 2. A membranous layer, esp. in the choroid coat or retina. 3. A striatum of fibers of the corpus callosum.
tappihen. 1. A crested hen. 2. A large mug with a knobbed lid.
tarantella. Lively, whirling S. Italian dance once thought to be a cure for tarantism.
tarantism. An uncontrollable urge to dance (Italy, 1400's to 1600's). Originally thought to stem from the bite of the tarantula.
tarboosh. The red, felt, tasseled hat worn by Moslem men.
tardigrade. 1. Slow-moving arthropods. Eight legs. Living in water or damp moss. 2. Slow-moving.
tare. 1. Vetch (Climbing plant with pinnate leaves and purplish flowers). 2. Weedy plants in grain fields.
tare. 1. Weight of container. 2. Deduction from gross weight to allow for weight of container. 3. Empty vessel used to counterbalance the weight of a similar container.
targe. A light shield or buckler- ("target"). (quintain)
tarlatan. Thin, stiffly-starched, open-weave muslin.
tarmac. 1. Bituminous binder. 2. A tarmacadam road.
tarmacadam. Pavement.
tarnal. Damned. (What in tarnation! - from "eternal").
tarok. 78-card game (1300's). 22 Tarot cards as trumps.
tarot. Joker, plus 21 cards depicting vices, virtues, and elemental forces.
terradiddle. A petty falsehood.
tarsometatarsus. A compound bone between the tibia and the toes of a bird's feet, formed by the fusion of the tarsal and metatarsal bones.
tarsus. 1. Section between the tibia and the metatarsus. 2. The seven bones making up this section. 3. A fibrous plate that supports and shapes the edge of the eyelid. 4. The tarsometatarsus. 5. The distal segments structure on an insect's leg.
tartan. A small, single-masted Mediterranean ship with a lateen sail.
tartar. Reddish, acid potassium bitartrate found in grape juice and deposited on the sides of wine casks. (cream of tartar).
tartare steak. Steak tartare. (mixed with raw egg, onion, and seasoning. Appetizer.)
Tartarus. 1. The abysmal regions below Hades where the Titans were confined; Hell.
tartuffe. A hypocrite, esp. one who affects religious piety.
tasse. A series of jointed, overlapping metal splints hanging from the corselet, used as armor for the lower trunk and thighs.
tatami. Japanese straw floor mat.
tatterdemalion Ragamuffin.
tattersall. Pattern of dark lines forming squares on a light background (Tattersall's horse market).
tatting. Handmade lace.
tatty. Shabby, frayed ("tatterdemalion").
taupe. Brownish-gray to dark yellowish-brown.
tautog. Edible marine fish. (tanch)
tautology. 1. Redundancy. 2. Log.: A statement that is true even if the statements that comprise it are untrue: If will rain today or it will not rain today.
tautonym. Genus and species are the same (gorilla gorilla).
taw. To convert skin to white leather by tanning with alum and salt.
taw. 1. A large, fancy shooting marble. 2. taw line. 3. Game of marbles.
taxon. One of the taxonomic sub-divisions, such as phylum, order, family, genus, or species.
Taygata. One of the Pleides, the seven daughters of Atlas. (Taygeta, Merope, Stereope).
Tay-Sachs disease. Accumulation of lipids in neural tissues (hereditary).
teasel. 1. Old World. Thistle-like flowers surrounded by prickly bracts. 2. Its bristly flower head used to produce a napped surface on fabrics. 3. A wire-brush teasel. (Fuller's teasel).
tectrix. One of the coverts (feathers covering the main feathers) of a bird's wing.(remex).
tectum. A roof-like body structure, esp. the dorsal part of the midbrain.
Te Deum. Hymn of praise to God, sung as part of the liturgy.
teetotum. Four-sided top used for various games of chance.
tegua. Ankle-high moccasin worn by Mexican and Indians.
teiglach. Bits of dough cooked briefly in honey, brown sugar, and nuts, then cooled and rolled into balls (Yiddish).
End, last  
telamon. Figure of a man used to support a pillar. (pl.: telamones; see Atlas, pl.: atlantes). Corresponds to a caryatid.
telamones. Plural of "telamon".
telangalactasia . Chronic dilation of capillaries, causing dark re skin blotches.
teledu. Brownish-black carnivore, East Indian skunk.
telegony. The supposed influence of one sire on foals produced by subsequent sires.
Telemachus. Odysseus and Penelope's son who helped his father kill Penelope's suitor.
telemark. A skiing turn or stop executed by shifting the weight forward on the ski so that it will be on the outside of the turn, and gradually turning its tip inward (after Telemark, Norway).
telencephalan. Anterior forebrain, including the cerebral cortex and related parts.
teleology. 1. The philosophical study of design or purpose in natural phenomenon. 2. The use of ultimate purpose as a means of explaining natural phenomena.
teleost. Fishes having bony skeletons and rayed fins.
teleran. Air-traffic control system. Ground based radar screen is televised to pilots.
telesthesia. Perception of distant phenomena by extrasensory means.
teleutospore. Teliospore.
Directed or tending toward a goal or purpose.  
teliospore. Thick-walled resting spore of rusts and smuts from which the basidium arises.
telium. Blackish pustule-like structure on a plant leaf from rust infection And giving rise to teliospores.
telocentric. A chromosome whose centromere is terminally located.
telolecithal. An ovum in which the yolk is concentrated at one end.
telomere. A centromere that is located in a terminal position on a chromosome.
telophase. The last phase of mitosis in which the chromosomes of the daughter cells are grouped in separate nuclei.
telpher. 1. Light, electrically powered transportation car suspended from cables. 
telson. Sting of a scorpion or the middle lobe of the tail fin of the lobster.
temararious. Presumptuously or recklessly daring.
tempeh High-protein Indonesian food made from partially cooked, fermented soybeans.
temporal bone Either of two complex, three-part bones forming the sides and base of the skull.
tempura. Japanese dish of vegetables and shrimp dipped in batter and deep-fried.
tenace. Two high cards held in player's hand, such as king and jack. (quint)
tench. Eurasian fish. (tautog)
tendinous. Sinewy.
Tenebrae. Office of matins and lauds sung on the last three days of Holy Week with a ceremony of candles.
tenebritic. 1. Serving to obscure or darken. 2. Gloomy, dark.
tenebrionid. Dark, herbivorous beetles.
tenebrous. Dark and gloomy.
tenesmus. Painfully urgent but ineffective attempt to urinate or defecate.(strangury).
teniasis. Pinworm infestation.
tenorhaphy. Surgical uniting of divided tendons with sutures.
tenosynovitis. Inflammation of a tendon sheath.
tent. Small roll of gauze placed in a wound to keep it open.
tent. 1. to pay heed to. 2. To wait upon. (to attend)
tenuis. A voiceless stop in Greek.
tenuto. Sustained for the full time value.
teocali. 1. Mexican temple built upon a mound. 2. The mound.
teosinle. Corn-like C. A. grass cultivated for fodder.
tepal. A division of the perianth of a flower having petals and sepals that are virtually indistinguishable.
tepary bean. S. W. bean vine.
teratoid. Like a monster.
teratology. Study of production, development, anatomy, and classification of monsters.
teratoma. Tumor with different types of tissue from independent germ cells.
tercel. A male hawk used in falconry.
tercentenary. 300 years.
tercet. A triplet of lines that rhyme together or are connected with adjacent rhymes.
terebinth. Small Mediterranean tree yielding a resinous liquid.
teredo. A shipworm.
teraph. An image of a Semitic household idol.
terete. Cylindrical, smooth-surfaced, and slightly tapering at both ends.
Tereus. King or Thrace who raped Philomela and was changed into a hoopoe (bird).
tergum. An insect's upper or dorsal surface, esp. of a body segment.
termitarium. Termite nest.
terneplate. Sheet iron or steel roofing material, plated with 4 parts of Pb to 1 part of Sn.
Terpsichore. The Muse of dancing and choral singing.
terra alba. 1. Finely pulverized gypsum for paper, paints, and plastics. 2. Kaolin.
teraqueous. Both land and water.
terrazzo. Marble chips set in mortar and then polished.
terreplein. A horizontal platform behind a parapet where heavy guns are mounted.
terret. 1. One of the metal rings on a harness through which the reins pass. 2. A ring on an animal's (e. g., dog's) collar for a leash.
terricolous. Living on or in the ground.
terrigenous. Derived from the land (sediments).
terry. 1. The uncut loops that form the pile of a fabric. 2. Terry cloth (toweling).
tertian fever. A form of malaria caused by the invasion of plasmodium vivax into new red blood cells, characterized by a 48-hour life cycle with a recurrence of fever paroxysms at the end of each 48-hour cycle.
terzarima. 10- or 11-syllable/line triplets, with the middle line of one triplet rhyming with the 1st and 3rd lines of the following triplet.
tertium quid. Something that cannot be classified into either of two groups considered to be exhaustive: an intermediate thing.
tessera. Small mosaic square.
The often thick or hard coating of a seed.  
testacean. Rhizopods that contain a shell.
testcross. A genetic cross between an individual having a dominant trait with a homozygous recessive individual to determine if the genotype of the dominant individual is heterozygous or homozygous.
teston. A coin with a head stamped on one side. 1. A 16th C. French silver coin. 2. A Henry VIII coin.
testudinate. Chelonian (pertaining to turtles or tortoises.
testudo. Roman portable siege screen.
S. E. Asian New (lunar) Year..  
tetanic. Pertaining to tetany.
tetanus. 1. Lockjaw caused by claustidium tetani. 2. Continuous muscle contraction caused by rapidly repeated stimuli.
tetany. Periodic painful muscle spasms caused by faulty calcium metabolism (children and young adults).
tête bêche. Upside down postage stamps. Pr.: "teet-beesh"
Tethys. Titaness and sea goddess. Oceanus' wife and sister.
tetradymite. Bismuth ore.
tetradynamous . Six stamens, two shorter than the other four.
Tetragammetron. YHWH.
tetrahedrite. Copper ore.
tetralogy. 1. Four dramas, three tragic, one satiric, performed at Dionysian festivals. 2. Four related operatic, dramatic, or literary works. 3. Complex of four symptoms.
.tetramer. Polymer consisting of four identical isomers.
tetramerous. 1. Four similar parts. 2. Flower parts in sets of four. 
tetraploid. Four haploid sets of chromosomes.
tatrapterous. Four wings (bugs).
tetrarch. 1. Commander of subdivision of a phalanx in Greece. 2. The governor of 1/4th of a Roman country or province. 3. A subordinate ruler. 4. One of a tetrarchy.
tetrastichous. Four rows.
Tetrazzini. Noodles, mushrooms, almonds, in a cream sauce topped with cheese.
tetter. Eczema, psoriasis, or herpes.
texas. The pilothouse and officers quarters on a river steamboat.
textualism. 1. Strict adherence to Scriptures. 2. Scriptural critique. (Sabbatarianism).
thalamencephalon. Diencephalon.
thalamus. 1. Relays sensory stimuli to the cortex. 2. Receptacle of a flower.
thallassemia. Anemia resulting from faulty synthesis of hemoglobin.
thalassic. Pertaining to oceans or inland seas.
thallassocracy. Supremacy on the seas (Great Britain).
Thalia. 1. The Muse of comedy and pastoral poetry. 2. One of the three Graces.
thallic. Pertaining to thallium.
thalloid. Resembling a thallus.
thallophyte. Includes algae, fungi, and bacteria.
thallus. The undifferentiated stemless, rootless, leafless thallophyte plant body.
Thanatos. 1. Death as a personification or philosophical notion. 2. Death wish (alleged).
thane. 1. Freeman granted land for military service. 2. Scottish feudal lord.
thaumatology. Study of miracles.
thaumaturge.  Worker of miracles or magic.
theanthropism. 1. The attribution of human traits to God. Antropomorphism. 2. Consubstantiation.
thearchy. 1. Theocracy, hierocracy. 2. Hierarchy of gods.
theism. Belief in God, esp. in a personal God as Creator and Ruler of the world.
thenar. Th fleshy mass on the palm at the base of the thumb.
theogony. Recitation of the origin and geneology of the gods, esp. epic poetry.
theomachy. Homeric strife or battle among the gods.
theomorphism . Conception of man as having the form of a god.
theophany. Divine manifestation.
theorbo. 1600's lute. Two sets of strings and S-shaped neck, with two sets of pegs, one set above and to the side of the other.
theosophy. 1. Religious speculation into the nature of God. 2. Doctrines and beliefs of The Theosophical Society, incorporating aspects of Buddhism and Brahminism.
therapsid. Permian and Jurassic reptiles considered to be direct ancestors of mammals.
Theravada. Hinayana.
theremin. Electronic musical instrument used for tremolo effects.
theriomorphic. Having the form of a beast.
thermocline. Temperature decrease with depth is greater than that of the water above and below it.
thermoduric. Microorganisms that can endure high temperature (hot springs).
thermoperiodism. Effect on organism of rhythmic temperature variations.
thermosphere. Outermost layer of the atmosphere.
thermotaxis. !. Movement of an organism in response to heat. 2, The normal regulation of body temperature. (homeothermic vs. poikilothermic)
theropod. Carnivorous dinosaurs with small forelimbs (tyrannosaurus).
Theseus. King of Athens who slew the Minotaur, conquered the Amazons, and married their queen, Phaedra.
thesis. 1. A proposition, as one advanced by a candidate for an academic degree. 2. A dissertation, advancing an original point of view as a result of research. 3. A hypothetical proposition, esp. one put forth for the sake of argument. 4. The first stage of a dialectic. 5. The unstressed par of a foot, in prosody. 6. The unaccented part of a measure.
thetic. 1. Prosody: beginning with, constituting or relating to the thesis. 2. Presented dogmatically, arbitrarily prescribed.
Thetis. One of the Nereids, the wife of Peleus and mother of Achilles.
theurgy. 1. Supernatural intervention in human affairs. 2. The performance of miracles with supernatural assistance. 3. Magic performed with the aid of beneficent spirits, as practiced by the Neo-Platonists.
thigmotaxis. Movement in response to a tactile stimulus.
thigmotropism. Response of an organism to direct contact with a surface.
thill. Long wagon shafts.
thimblerig. Shell game.
thing-in itself. Noumenon.
Third Order. Confraternity of Catholic laymen.
thixotropy. Gels that liquefy when stirred and gel upon standing.
thole. To endure, to bear
thole pin. Oar lock.
thorough brace. Leather band supporting carriage (like a spring).
thoroughpin. Swelling of horses' hocks.
Thraclan. Pertaining to Thrace.
thrasonical. Boastful (after Thraso a character in Terence' play Eunuchus (160 B. C.)
threadfin. Fish with threadlike rays from lower pectoral.
thread mark. Paper with different color threads to resist counterfeiting.
three-card monte. Each dealt three cards which are then placed face down on the table. The players bet that they can identify a particular card.
three-legged race. Contestants run in pairs with one leg of one tied to one leg of the other.
thremmatology. Scientific plant and animal breeding. (Luther Burbank)
thrips. Small, often wingless insects that are destructive to plants.
throstle. 1. Old World thrush. 2. Machine for spinning fibers.
thuja. Arborvitae.
thunderbird. N. A. Indians Thunder, lightning, and rain, as personified in a huge bird.
thunderbolt. Flash of lightning conceived as a bolt hurled from the heavens.
thunderstone. Various concretions such as a belemnite that were once thought to be thunderbolts.
thurible. A censer.
thurifer. An altar boy or acolyte who carries a thurible.
thylacine. A wolf-like Tasmanian marsupial.
thymus. Under top of sternum. Develops T-cells. Vestigial in adults.
thyrse. Branched flower cluster. Main axis does not terminate in a flower.
tibia. Inner and larger of two leg-bones. 2. Bone flute.
ticdouloureux. (tik-doo-loo-roo) Trigeminal neuralgia.
ticky-tacky. Shoddy construction material.
tidylips. Calif. Daisy-like flowers with white-lipped rays.
tierce. 1. Third of seven canonical hours (3rd hour after sunrise). 2. 1/3rd pipe: 42 gallons. 3. three cards from the same suit. 4. 3rd position from which a parry or thrust can be made in fencing.
tiffany. Thin transparent gauze of silk or muslin.
tiger-eye. A yellow-brown, chatoyent (having a changeable luster), semi-precious gemstone made of silicified crocodolite.
tiglon. Offspring of male tiger and female lion.
tiki. 1. Polynesian Adam. 2. image of Polynesian god. 3. Maori figure of ancestor, carved from greenstone and worn as a talisman.
til. The sesame plant (source of food and oil).
tilbury. Light, open, two-wheeled, two-person carriage (After Tilbury coach works).
tillandsia. Spanish moss.
tiller.  A shoo that sprouts from the base of a grass.
timbal. 1. A kettledrum. 2. An insect's vibrating membrane.
timbate. A bland, custard-like dish of cheese, chicken, fish, or vegetables, baked in a drum-shaped pastry mold.
timbrel. Like a tambourine.
time note. Promissory note.
timocracy. 1. Plato: Utopian state governed on principles of honor and military glory. 2. Aristotelian state in which civic honor or political power is based upon property ownership.
timothy. Grass (after Timothy Hansen, who took the grass from New York to the Carolinas).
tinamou. C. A & S. A. Chicken-like or quail-like.
tincal. Crude borax.
tinctorial. Pertaining to dyeing or tanning.
tinea. Fungal skin disease, like ringworm (tinactin)
tinstone. Cassiterite.
tintinabulum. Small, tinkling bell.
tippet. 1. Shoulder cover, with long hanging ends. 2. Long stole (scarf) worn by Anglican clergy. 3. The long hanging part of a sleeve, hood, or cape.
tisane. Herbal infusion (herbs steeped without boiling) drunk as beverage or for its mildly medicinal effect.
Tisiphone. One of the Three Furies.
tit. Short for titmouse.
Titan. 1. The children of Uranus and Gaea. Overthrown and supplanted by Zeus and his family. 2. Saturn's largest satellite.
Titanism. Defiance and revolt against established authority.
titanite. Sphene.
titi. Warm, swampy shrub.
titi. S. A. monkeys.
titian. Brownish-orange (after Titian).
titillate. 1. To tickle or touch lightly. 2. To pleasantly stimulate.
titivate. To spruce up.
titration. A method of determining the concentration of a solute by adding to it a standard reagent of known concentration in carefully measured amounts until a reaction of known proportion is completed, as shown by a color change or electrical measurement, and then calculating the unknown concentration.
tittle. A small diacritical mark, such as an accent, vowel mark or dot, over an i. ("Not a jot nor a tittle.")
tillup. To prance (sound of horses' hooves).
titubation. A staggering/stumbling gait characteristic of certain neurological disorders.
toby. A drinking mug in the shape of a stout man wearing a large tricorn.
toccata. Musical composition in free style with elaborate runs and harmonies.
tocology. Practice of obstetrics or midwifery.
tod. 1. 28 pounds (of wool). 2. A bushy clump of ivy.
toff. A dandy (after gold tassel worn by titled students at Oxford & Cambridge).
toft. 1. A homestead. 2. A hillock.
toga virilia. White toga worn by 15+-age boys.
togue. Lake trout.
Tokay. Grapes/wine.
tola. Weight of one silver rupee: 11.7 grams.
tole. Lacquered enamelware, usually lacquered and gilded. (like champleve).
Toltec. Central and southern Mexico: 1000 A. D.
tomalley. Lobster liver.
Tom and Jerry. Sweetened rum drink.
tombac. Alloys of copper and zinc used for cheap jewelry, pinchbeck, orlulu.
tomentum. Network of extremely small blood vessels between pia mater and cortex.
tomtit. .A small bird, e. g. a titmouse.
tonneau. Rear seating compartment of early automobiles.
tonometer. 1. Measures fluid or vapor pressure. 2. Graduated tuning forks for measuring pitch. 3. Measures hydrostatic pressure within the eyeball (glaucoma).
tonsure. 1. Shaving the top of the head. 2. The part so shaved.
tontine. 1. An annuity or insurance plan in which members of a group share proceeds with right of survivorship, final survivor getting whatever's left.. (after Alonzo Tonti).
toon. Tall Australasian tree with reddish aromatic wood.
toothwort. Crinkleroot.
tope. To drink excessively and habitually ( a toper).
tope. Small shark
tope. Buddhist shrine with cupola on top.
topgallant. Mast above the topmast.
Tophet. 1. A shrine near Gehenna where human sacrifices were made. 2. Hell. 3. A hellish place.
topic sentence.  Sentence within a paragraph (often the first sentence) that states the meaning of the paragraph.
toponym. Name derived from a place.
tononymy. Nomenclature with respect to a region of the body rather than to organs. 2. The study of place names.
topotype. Specimen taken from an area typical for that species.
toque. Small, brimless ladies hat. 2. Plumed velvet hat with rolled brim (1500's France).
torah. Entire body of Jewish law and learning, including sacred literature and oral tradition. 2. Scrolls of parchment containing the Pentateuch used during services.
torchon lace. Coarse linen or cotton thread twisted in simple geometric patterns.
tarero. A matador or one of his team.
toreutics. Working metal by the use of embossing and chasing to form minute detailed reliefs.
toric. Pertaining to a torus
torose. Cylindrical and having ridges or swellings.
torquate. Having a ringlike band around the neck. (gorget).
torque. A collar, necklace, or armband of twisted metal worn by the ancient Gauls.
torques. Band of feathers, hair, or coloration around the neck - (gorget, gular).
torsade. Decorative trimming for hats of twisted ribbon or cord.
tort. A wrongful act, damage, or injury done willfully, negligently, or in circumstances involving strict liability but not breach of contract, for which a civil suit can be brought.
torte. A rich cake made of many eggs, little flour, and usually containing nuts.
tortellini. Small stuffed pasta dumplings.
torticolis. A contracted state of neck muscles producing an unnatural position of the head.
totalizer. Pari-mutuel machine showing the total number and amounts of bets.
totaquine. Mixture of quinine and alkaloids used as anti-malarial.
totem. 1. An animal, plant, or natural object serving as the emblem of a clan or family by virtue of an asserted ancestral relationship. A representation of this being. 2. A social group having a common totemic affiliation. 3. Any venerated object or symbol.
totipalmate. Having webbing between each toe: pelicans and gannets.
touchstone. 1. A hard black stone such as jasper or basalt, formerly used to test the quality of gold or silver by comparing the streak left on these stones with that of a standard alloy. 2. A criterion, standard.
touchwood. Decayed wood: tinder, punk.
touraco. Brightly colored African birds. (tragopan)
tournillion. 1. A whirlwind. 2. A rocket having a spiral flight path.
tournedos. Tenderloin wrapped in bacon for cooking.
toxicant. Poison.
toxoplasma. Includes vertebrate pathogens.
toxoplasmia. Infant disease: lesions in brain and eye.
trachoma. Contagious viral disease characterized by conjunctivitis, hypertrophy, and adenoidal granules.
trachyte. Igneous alkalitic feldspar
trade rat. The pack rat.
traditor. Traitor who betrayed fellow Christians during the Roman persecutions.
traducianism. The belief that the soul is inherited from the parents..
tragopan. Asian pheasants with two "horns".
tragus. 1. Projection of skin covered cartilage in front of the meatus (ear canal) of the ear. 2. Hairs at the entrance to the ear canal.
transduction. The transfer of genetic material from one bacterial cell to another by a bacteriophage.
transept. Either of the two lateral arms a cruciform church.
transeunt. Production of effects outside of the mind.
transfection. The infection of a cell with pure viral nucleic acid, with subsequent replication of the virus in the cell.
transformational grammar. A grammar that accounts for the constructions of a language by linguistic transformations and phrase structures, esp. generative transformational grammar.
transhumance. Movement of livestock and herders to different pasturage with the changing of the seasons. (herders)
transude. To exude through pores: to sweat. (hidrosis, diaphoresis) 
trapezium. 1. A quadrilateral having no parallel sides. 2. A wrist bone at the base of the thumb.
trapezius. Either of two, flat large muscles running from the base of the occiput to the middle of the back that make it possible to raise the head and shoulders (splenius).
trapezahedron. Crystals with trapezoidal faces.
trapezoid. Wrist bone at the base of the index finger.
traplight. Light that traps insects.
trapunto. Quilting having a raised effect by outlining the design with running stitches and then filling it with cotton.
trave. 1. A crossbeam. 2. A section, as of a ceiling, formed by crossbeams.
traveler's joy. Old World flowering vine.
treacle. 1. Cloying speech or sentiment. 2. Molasses. 3. Poison antidote. 
trecento. 1300's Italy.
tref, trefa. Unclean and unfit for consumption.
trehala. Sugar-like edible substance from the pupal case of an Old World beetle.
trematode. One or more suckers for attaching to host. Thick outer cuticle.
tremolite. Used as an asbestos substitute and in paints and enamels.
trepan. 1. Rock-boring tool for sinking mineshafts. 2. To trephine.
trepan. 1. A prankster.
2. Trick, stratagem.  
trepang. 1. Sea cucumber. 2. Dried body of sea cucumber, used as Oriental food.
trephine. Circular sawlike edges, used to cut out disks of bone.
treponeme. Spirochetes that cause syphilis and yaws.
trews. Close-fitting trousers, usually of tartan.
trey. Three. A card, die , or domino with three pips.
triage. 1. System of giving battlefield treatment to those who will survive only with help. 2. Similar system of rationing other commodities.
triboelectricity. Static charge produced by rubbing two objects together.
tribology. The science of the mechanisms of friction, lubrication, and wear.
tribrach. Prosody: three short or unstressed syllables.
trichina. Nematode that infests the intestines. Larvae become encysted in muscles.
trichite. A small, needle-shaped filament or crystal.
trichocyst One of the minute capsule-like bodies in the outer cytoplasm of certain protozoans capable of ejecting a threadlike or bristle-like extension.
trich-, tricho-. Hair.
trichogyne. A receptive filament of the female reproductive structure of certain fungi.
trichoid. Resembling hair.
trichome. A hair-like or bristle-like growth, as from the epidermis of a plant.
trichomonad. Any of various flagellate protozoans occurring in the digestive and urogenital tracts of vertebrates.
trichomoiasis. A vaginal infection caused by trichomonads.
trichopteran. Caddis flies.
trichosis. Disease of the hair.
trichuriasis. Whipworm infection of the colon.
triclinium. The Romans' reclining couch, surrounding three sides of a table.
tricot. 1. Plain, warp-knitted cloth of any yarn. 2. Soft, ribbed wool or wool-blend cloth., usually used for dresses.
tricoline. Sturdy, worsted, double-twilled fabric used for suits and dresses.
tricrotic. Having three waves or elevations to one heartbeat.
Tridentine. Council of Trent, 1545 to 1563.
trierarch. 1. The captain of a Greek trireme. 2. An Athenian who outfitted and maintained a trireme as part of his civic duty.
trifecta. Bettor must pick 1st 3 winners incorrect order.
triforium. A gallery of arches above the side-aisle vaulting in the nave of a church.
trifid. Split into 3 parts (Trifid Nebula).
trig. 1. Trim, neat. 2. In good condition.
trig. 1. To chock a wheel from rolling. 2. To prop up, support.
trigeminus. The chief facial sensory nerve and the maxillary motor nerve.
triglyph. Ornament in Doric frieze: a projecting block with three vertical grooves.
trigon. 1. Triangular lyre or harp. 2. triplicity.
trilby. Soft felt hat with a deeply creased crown (from Trilby, by Geo. du Maurier)
trimerous. 1. tripartite. 2. Sets of three flower parts.
trimetrogon. Used two oblique and one vertical aerial photos for topographic mapping.
Trimurti. The Hindu trinity, consisting of Brahma, Vishnu and Shiva.
trinal. Having three parts.
trinary. Ternary.
trine. 1. Triple. 2. In astrology, situated in trine. A favorable positioning of the planets. The aspect of two planets when 120º apart. 
Trinity Sunday. The first Sunday after Pentecost (Whitsunday).
trioecious. Having male, female, and bisexual flowers borne on separate plants.
triolet. Rhyme scheme AbaAabAB.
triphylite. Lithium, iron, and magnesium phosphates.
tripinnate. Divided into leaflets that are further subdivided into three lobes.
triploblastic. Having three germ layers.
triploid. Having three haploid set of chromosomes in each nucleus.
tripoli. Porous, lightweight, siliceous rock of various colors, derived from weathering of chert and siliceous limestone.
tripos. B. A. degree with honors exams at Cambridge (from the tripod stool on which a candidate sat to dispute humorously with other candidates).
trippet. A cam or projection in a mechanism designed to strike another part at regular intervals.
triptych. 1. A hinged writing tablet with three leaves. 2. A work of art consisting of three hinged or folding panels, esp. one with a religious theme used as an altarpiece.
trismus. Lockjaw.
trisoctahedron. A solid figure having 24 congruent faces and an octahedron as a base. 2. A trapezohedron.
trisomic. Having at least one triploid chromosome in an otherwise diploid set.
triste. Sad, wistful.
tritanopia. Rare colorblindness characterized by the inability to recognize blue.
triturate. To pulverize. (Used of dental amalgams)
trivium. Grammar, logic, and rhetoric.
trocar. Sharp-pointed. Used with a cannula for fluid aspiration.
trochee. In prosody, one long, one short.
troche. A lozenge, pastille.
trochal. Shaped like a wheel.
trochanter. Any of several bony processes on the upper femur.
trochlea. Resembles a pulley. E.g., distal end of the humerus where it articulates with the ulna.
trochlear. 1. Situated near a trochlea. 2. Pertaining to the 4th cranial nerve.
trochoid. 1. Capable of rotating around a central axis. 2. The path traced out by a point on the rim of a rotating wheel.
trochophore. mollusk and annelid larvae.
trogon. Includes the quetzal.
Troilus. Priam's son.
troll. !. To troll in fishing. 2. To sing in succession (e. g., a roundelay). 3. To sing heartily ("Troll the ancient Yuletide carol"). 4. To roll around. 5. To ramble.
trombiculiasis. Chigger infestation.
trommel. Revolving cylindrical sieve used for screening ore.
trompe. Falling water entrains air to produce an air blast for a blast furnace.
trompe l'oiel. 1. Gives illusion of photographic reality. 2. Trompe l'oiel effect.
trona. Source of sodium compounds.
troostite. A variety of willemite, with zinc partly replaced by manganese.
trope. 1. Figure of speech. 2. Word or phrase interpreted as an embellishment in sung parts of certain medieval liturgies.
trophallaxis. Food exchange among social insects.
trophic level. Feeding stratum in an ecosystem characterized by organisms that feed in that feeding stratum.
trophoblast. The outermost layer of cells in the morula (spherical embryonic mass of blastomeres) that attaches the fertilized ovum to the uterine wall and acts as a nutritive pathway.
trophoderm. Trophoblast.
trophozoite. A sporozoa in the active stage.
tropology. A mode of Scriptural interpretation insisting on the morally edifying interpretations of the tropes in Scripture.
troposphere. 25,000 feet to 55,000 feet. Boundary between the upper troposphere and the lower stratosphere.
tropophyte. Adapted to heavy rainfall followed by drought.
trotline. A setline.
trou-de-loup. Conical pits, with upright stakes in their centers (a cheval de fries).
troupial. Orange and black tropical birds related to the orioles and blackbirds.
trouveur. France: 12th and 13th C. Narrative poems like the chanson de geste.
trover. Common law action to recover damages for property illegally withheld or wrongfully converted to use by another.
trow. To think, suppose.
trudgen. Double overarm movement combined with scissors-kick.
true lovers knot. bow knot as a symbol of love.
true-penny. Honest or trustworthy.
true rib. Upper seven that are attached to the sternum by a costal cartilage.
trumpeter swan. Large N. A swan.
trudle. Small wheel or roller.
trunkfish. Boxlike armored fish.
trunnion. Pin or gudgeon. Pins on cannon forming a pivotal axis.
tryma. A nut, such as a walnut or pecan, having an outer husk that separates from the shell of the tryma.
trypanosome. Parasites causing, e. g., sleeping sickness.
trypsinogen. pancreatic: trypsin precursor
try-sail. Small fore-and-aft sail hoisted abaft the mains'l in a storm to keep the ship's bow to the wind.
tsimmes. 1. Vegetable or fruit stew cooked slowly over very low heat. 2. State of confusion.
tsuris. Trouble, aggravation.
tsutsugamushi disease Scrub typhus.
Tuan. Malayan "Sir".
Tuareg. Tall, nomadic, Hamitic-speaking Moslems who occupy the western and central Sahara and along the Niger.
tuatara. A lizard-like reptile of New Zealand: a living dinosaur.
tubby. 1. Short and fat. 2. Having a dull sound; lacking resonance.
tubifex. Worms fed to tropical aquarium fish.
tuchin. Chinese military provincial governor.
tuck. To beat or tap.
tuck. A slender sword or rapier.
tuck. Energy, vigor.
tuckahoe. Indian food plants.
tuckerbag. Bag used to carry food in the bush or by jolly swagmen.
tucket. Trumpet fanfare.
tufa. 1. Calcareous deposits around springs 2. Tuff.
tuff. Compacted volcanic ash varying in size from fine sand to coarse gravel.
tuffet. 1. A clump of grass. 2. A low seat ("Little Miss Muffet sat on a tuffet…").
tutoli. A large macaroni shell suitable for stuffing.
tugrik. Mongolian currency.
tuille. Thigh armor.
tularemia Febritic bacterial infection.
tule. Bulrush. ("Moses among the tules.")
tulle. Fine, often starched net used for veils, tutus, or gowns.
tumblebug. Rolls up balls of dung for protection and nourishment of young.
tumblehome. The inward curve of a ship's topsides.
tumefaction. Swelling.
tummler. 1. One who encourages audience participation (as a social director). 2. One who incites others to action.
tumpline. Head strap to help support a backpack.
tumulus. An ancient grave mound.
tumular. Pertaining to a tumulus.
tumulose. Having many mounds or small hills.
tumultuary. Tumultous.
tungstite. Tungsten oxide.
Tungus. People of eastern Siberia - Tunguska crater.
tunica. An enclosing membrane or layer of tissue.
tunicate. 1. Marine animals including the sea squirt or scalp, that have cylindrical or globular bodies enclosed in a tough outer covering or tunic. 2. Having concentric layers like the onion.
tunicle. A short vestment worn over the alb by a subdeacon (A deacon is just below a priest) or over the dalmitic by a bishop or a cardinal.
tunny. Tuna.
tup. 1. A ram (sheep). 2. The head of a power hammer.
tupelo. Trees with soft, light wood - (Tupelo, MS).
tuque. A knitted, cylindrical woolen cap with tapered ends that is worn with one end tucked into the other.
tuquoque. A retort accusing an accuser of a similar offense or similar behavior.
turbary. 1. A peat bog. 2. The right to dig in somebody else's bog.
turbellarian. Ciliated flatworms.
turbinal. Cone on its apex.
turbinate. Top-shaped. 2. Spinning like a top. 3. Turbinate shell. 4. A small curved bone that extends horizontally along the lateral wall of the nasal passage.
turbit. A domestic pigeon, a culver. or squab.
turbot. Flatfish.
Turkey red. Moderate red.
Turk's head. Turban-shaped knot made by winding a smaller rope around a larger one.
turmeric paper . Turns brown in the presence of an alkali.
turnsole. Plants that follow the sun (like the heliotrope).
turnstone. Wading birds.
turnverein. A club of turners or gymnasts - GE.: turnen, (to do gymnastics) + verein, (club).
turpeth.  Medicinal vine (purgative).
tusche. A black substance used for drawing in lithography and as a resist in etching and silk-screen work.
tush. The buttocks.
tussah. An undomesticated Asian silkworm that produces a coarse brownish or yellowish thread.
tussis. A cough.
tutee. One who is being tutored (Tutor and tutee).
tutelage. Guardianship.
tutty. Impure zinc oxide used for polishing.
tutti. All performers are to take part.
tuyère. Pipe through which air is forced into a blast furnace to facilitate combustion.
twayblade. Small terrestrial orchid.
twelve-tone. Atonal arrangement of the traditional 12 chromatic tones.
twibil. 1. A two-edged battle-axe. 2. A mattock with an adz end and an axe end.
twice-laid. Made from strands of used rope.
twig. 1. To notice. 2. To understand.
twig. The current style.
twiggen. Wicker.
twit. 1. To taunt. 2. A reproach. 3. An idiot.
tympan. 1. A padding of paper placed over the platen of a printing press to support the sheet being printed. 2. A tympanum. 3. A drumhead.
tympanic bone The part of the temporal bone that encloses that auditory canal and supports the tympanic membrane.
tympanum. 1. The middle ear. 2. The eardrum. 3. The recessed, ornamental space enclosed by the cornices of a pediment. 4. The space between an arch and the lintel of a portal.
tympanites. Abdominal distention (gas).
tympany. 1. Inflated manner, bombast. 2. Low-pitched resonance obtained by percussion.
type-site. Definitively characteristic of a particular culture and often providing its name.
typhlosole. Longitudinal fold of the dorsal intestinal wall in some invertebrates.
Typhon. A monster, son of Typhoeus.
typology. The study of types.
Tyrian purple. Made from Murex shells.