/ Dictionary / Index T tripteral: Meaning and Definition of Find definitions for: trip•ter•al Pronunciation: (trip'tur-ul), [key] — adj. (of a classical building) having a triple pteron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. triptane tripterous Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language