/ Dictionary / Index T triaryl: Meaning and Definition of Find definitions for: tri•ar•yl Pronunciation: (trī-ar'il), [key] — adj. Chem. containing three aryl groups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. triarchy triarylmethane dye Related Content Daily Word Quiz: anecdote Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language