prosopyle

[pros-uh-pahyl]

noun

(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.

Compare apopyle.

Origin of prosopyle

1885–90; < Greek prósō forward + pýlē gate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019