/ Dictionary / Index T tetrapterous: Meaning and Definition of Find definitions for: te•trap•ter•ous Pronunciation: (te-trap'tur-us), [key] — adj. having four wings or winglike appendages. having four winglike appendages. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tetrapody tetrapylon Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language