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Meaning of prosopyle

pros•o•pyle

Pronunciation: (pros'u-pīl"), [key]
— n.
  1. (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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.