Osculum definitions

ŏs'kyə-ləm
A large opening in a sponge, through which water is expelled.
noun
8
0
Any of the openings of a sponge though which water passes out.
noun
7
0
(biology) The main opening in a sponge from which water is expelled.
noun
0
0

Origin of osculum

Latin ōsculum diminutive of ōs mouth ōs- in Indo-European roots