/ Dictionary / Index T trialogue: Meaning and Definition of Find definitions for: tri•a•logue Pronunciation: (trī'u-lôg", -log"), [key] — n. a discussion or conversation in which three persons or groups participate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trial marriage trial run Related Content Daily Word Quiz: longevity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language