Dictionary
pros•o•pyle
Pronunciation: (pros'u-pīl"), [key]—
n.
(in sponges) a pore through which water is drawn from the outside into one of the saclike chambers formed by the evagination of the body wall. Cf.
apopyle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.