Definition, Meaning & Synonyms
osculum
Noun
/ˈɒskjʊləm/

Definition
A small opening or orifice, particularly in biological contexts, referring to the mouth or a similar structure.

Examples
- The osculum of the sponge allows water to exit, helping in its filtration of nutrients.
- Some species of corals have oscula that help in digestion.

Meaning
In zoology, osculum refers to the opening of a sponge through which water exits after circulating through its body. It can also denote any small mouth-like structure in organisms.

Synonyms
- Orifice
- Opening
- Mouth