/ Dictionary / Index A apopyle: Meaning and Definition of Find definitions for: ap•o•pyle Pronunciation: (ap'u-pīl"), [key] — n. Zool. (in sponges) a pore in each of the saclike chambers formed by the evagination of the body wall, through which water passes into the excurrent canals. Cf. prosopyle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apoplexy aporia 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