coe·​len·​ter·​on si-ˈlen-tə-ˌrän How to pronounce coelenteron (audio)
plural coelentera si-ˈlen-tə-rə How to pronounce coelenteron (audio)
: the internal cavity of a cnidarian

Word History


New Latin, from Greek koilos + enteron

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of coelenteron was in 1885

Dictionary Entries Near coelenteron

Cite this Entry

“Coelenteron.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2023.

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