/ Dictionary / Index T trivalve: Meaning and Definition of Find definitions for: tri•valve Pronunciation: (trī'valv"), [key] — adj. having three valves, as a shell. —n. a trivalve shell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trivalent Trivandrum Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language