prosopyle
[ pros-uh-pahyl ]
/ ˈprɒs əˌpaɪl /
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