• synonyms


noun, plural coe·len·ter·a [si-len-ter-uh] /sɪˈlɛn tər ə/. Zoology.
  1. the body cavity of a coelenterate.
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Origin of coelenteron

First recorded in 1890–95; coel- + enteron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coelenteron

Historical Examples

  • The archenteron becomes the gastrovascular system or coelenteron.

    Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2


  • The spore cell gives rise to a “spore-larva,” which is set free in the coelenteron and grows into a medusa.

British Dictionary definitions for coelenteron


noun plural -tera (-tərə)
  1. the simple saclike body cavity of a coelenterate
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012