| trillion |
the number represented by the Arabic numeral 1,000,000,000,000. [5 definitions] |
| trillium |
a perennial of the lily family that has a whorl of three leaves from which a single three-petaled flower blooms. |
| trilobate |
having three lobes; trilobed. |
| trilobite |
any of numerous extinct arthropods of the Paleozoic era that had laterally segmented external skeletons divided into three lengthwise lobes along the back. |
| trilogy |
a group of three literary or musical works by one author or composer that are related in sequence, theme, or the like. |
| trim |
to make neat, orderly, or manageable by cutting, clipping, or otherwise removing excess material. [13 definitions] |
| trimaran |
a boat with three parallel hulls. |
| trimester |
a period of three months. [2 definitions] |
| trimeter |
a line of verse consisting of three metrical feet. [2 definitions] |
| trimming |
added decoration, often along edges, as on clothing or furniture. [5 definitions] |
| trimonthly |
once every three months. |
| trinal |
having three parts; tripartite; threefold; triple. |
| trine |
triple; threefold. [2 definitions] |
| Trinidad and Tobago |
a southeastern West Indian country that comprises the islands of Trinidad and Tobago. |
| Trinitarian |
of or pertaining to the Christian doctrine of the Trinity. [4 definitions] |
| trinitrotoluene |
see "TNT." |
| trinity |
a closely related group of three, or the state of being threefold. [2 definitions] |
| Trinity Sunday |
the Sunday after Pentecost, celebrated by certain Christians in honor of the Trinity; Whitsunday. |
| trinket |
a small piece of jewelry or other decorative object, usu. inexpensive. [2 definitions] |
| trinomial |
an algebraic expression consisting of three terms that are connected by plus or minus signs. [4 definitions] |
| trio |
in music, a group of three singers or players. [3 definitions] |