Answer: oscula

AnswerCrossword Clue
OSCULAHoles in sponges.
OSCULAOrifices of sponges: Zool.
OSCULAApertures in a sponge
osculaan excurrent opening of a sponge
osculasmall mouthlike aperture, as of a sponge
osculaOSCULUM, an opening in a sponge, also OSCULE