/ Dictionary / Index T tristichous: Meaning and Definition of Find definitions for: tris•tich•ous Pronunciation: (tris'ti-kus), [key] — adj. arranged in three rows. arranged in or characterized by three vertical rows. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tristich Tristram Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language