/ Dictionary / Index T triga: Meaning and Definition of Find definitions for: tri•ga Pronunciation: (trē'gu, trī'-), [key] — pl. -gae a two-wheeled chariot drawn by a team of three horses. Cf. biga, quadriga. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: triga (Thesaurus) trig trigamous Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language