What does gaster mean?
A part of the body in certain invertebrates, such as a worm or an insect, that is used for digestion. In anatomy, the gaster is the stomach or digestive system of an insect.
Example
"The worm's gaster was a long, thin tube that it used to absorb nutrients from its food."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.