- the body cavity of a coelenterate.
Origin of coelenteron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for coelenteron
The archenteron becomes the gastrovascular system or coelenteron.
The spore cell gives rise to a “spore-larva,” which is set free in the coelenteron and grows into a medusa.
- the simple saclike body cavity of a coelenterate