/ Dictionary / Index T tripetalous: Meaning and Definition of Find definitions for: tri•pet•al•ous Pronunciation: (trī-pet'l-us), [key] — adj. Bot. having three petals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tripersonality triphammer Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language