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All derived from 9,053 borrowed from 5,710 learned borrowing from 1,127 calque of 209 semantic loan from 2 Trapezus Former name of Trabzon. tre- Used for forming names of large numbers as the third in the sequence in the Conway–Guy system. tredecennial A period of thirteen years. tremella Any fungus of the genus Tremella. trepid Timid, timorous, fearful. trepidant Trembling with fear or emotion. tri- Three. Triangulum Australe A winter constellation of the southern sky, which has three bright stars that form a triangle. It lies north of the constellation Apus, between Ara and Circinus. triarian Occupying the third post or rank. tribrach A metrical foot consisting of three short syllables. tribunate The state or office of a tribune. tribunician Pertaining to a Roman tribune. tricaudal Having three tails. tricenary Of or related to the number thirty. tricennial Of, related to, lasting, or occurring once every thirty years. triclavianism The belief that three nails were used in the crucifixion of Jesus Christ. tricliniary Of, pertaining to, or using a triclinium, or to the ancient mode of reclining while eating. triduan Lasting three days. trierarch The captain of a trireme. trieterical Triennial: occurring once in three years. trifarious Facing three ways; arranged in three vertical ranks, like the leaves of veratrum. trifidate Bifid, divided into two main parts. trifoly Melilot; sweet clover triform Having three different forms triformity The state of being triform, or having three different shapes. trifurcate Forked, with three tines or points. trigeminous born three together; being one of three born at the same birth trigesimal Thirtieth. trigintal A trental (various senses) trigintennial Synonym of tricennial, once every thirty years. trigonous trigonal; triangular trijugous trijugate. trime A silver coin worth three cents, minted in the US from 1851 to 1873. trimellic acid trimellitic acid trimembral Having, or consisting of, three members. trimillennial The 3,000th anniversary of an event or happening. Trinacria Sicily. trinervate Having three ribs or nerves extending unbranched from the base to the apex. trinkum-trankum A trinket. trinoctial Lasting for three nights. trinominal trinomial tripedal Having three feet. triplicity The quality or state of being triple or threefold; trebleness. tripudiary Of or relating to dancing. tripudiation The act of dancing. triquetrous Triangular; especially (in natural sciences), having a triangular cross-section. triquetrum The triquetral bone tristitiate To sadden. trisulc Something having three forks or prongs, especially a trident. tritorium A vessel for separating liquids of different densities. tritovum An embryonic insect which has twice cast its skin before hatching from the egg, such as some mites of Myobia triture A rubbing or grinding; trituration. trochiscus A kind of tablet or lozenge troglobiomorphism The form of a biological organism that has been influenced by its living in caves troglodytic Of or pertaining to troglodytes, or dwellers in caves. Troic Pertaining to Troy; Trojan. Tropæan Blowing from sea to land. tropæum A monument erected (originally on the field of battle) by the prevailing army (without Senatical grant — contrast triumph) to commemorate victory in war, featuring spoils taken from the enemy (especially the personal arms of the vanquished general), and dedicated to an appropriate god (such as Mars). -trope something that turns, affects, changes, responds, moves. trophæal Pertaining to a trophy or to trophies. -tropism movement, turning. truchman Synonym of interpreter. trucidation The act of killing; slaughter or massacre. trusion The act of pushing or thrusting. trutination The act of weighing. truttaceous Of, pertaining to, or resembling, a trout. tubicination The act or process of sounding a trumpet tubulate tubular Tucana A spring constellation of the southern sky, said to resemble a toucan. It lies south of the constellations Phoenix and Grus. Tullian Of, pertaining to, or in the style of, Marcus Tullius Cicero (106 BC–43 BC; sometimes anglicized as Tully), Roman philosopher and statesman. tumefaction The process or result of tumefying, swelling, or rising into a tumour. tumidity The condition of being tumid; swollenness, distension. tumular of, pertaining to, or shaped like a tumulus (heap or hillock). tumulate To swell. tumulous Full of small hills or mounds; hilly; tumulose. tumultuary Attended by, or producing, a tumult; disorderly; confused; tumultuous. tumultuate To make a tumult. tumultuation tumult; commotion. tunding A caning. tunicary tunicate (One of the Urochordata (syn. Tunicata)). tu quoque An argument whereby an accusation or insult is turned back on the accuser; same to you turbation The mixing of soil or sediment, especially pedoturbation. turbination The act of spinning or whirling. turbo- Turbine-related. Turcism Turkism. turgesce To become turgid; to swell up or bloat. turioniferous Producing shoots. turpitudinous Characterized by turpitude. turrilite Any fossil ammonite of the genus †Turrilites, the shell forming an open spiral with the later whorls separate. turriphile Someone with turriphilia. turriphilia An (often manic) affection for, love of, or attraction (in any form) towards towers or similarly shaped or designed objects. Tuscia A region of Italy comprising today's region of Tuscany, a great part of Umbria, and the northern parts of Lazio. tussal Relating to coughing. tussive Related to, caused by, or accompanied by a cough tutelar Serving as a guardian; protective; tutelary. tutele tutelage tutiorism rigorism tutiorist A rigorist. T-V distinction The distinction between a formal and an informal second-person pronoun in some languages. tyl- Relating to callused and swollen things.