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