noun (plural coelentera /-tərə/)
The central gastric cavity of a coelenterate.
More example sentences
- The anthozoans are diploblastic animals developing from two epithelial germ cell layers: the ectoderm, facing the seawater, and the endoderm, facing the gastrovascular cavity or coelenteron.
- The oral tentacles then pass the paralysed prey to the mouth and into the coelenteron for digestion.
- This means they have just one opening into the coelenteron which serves as both a mouth and an anus.