/ Dictionary / Index T trireme: Meaning and Definition of Find definitions for: tri•reme Pronunciation: (trī'rēm), [key] — n. Class. Hist. a galley with three rows or tiers of oars on each side, one above another, used chiefly as a warship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trireme (Thesaurus) Triratna trisaccharide Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language