- belonging or pertaining to the Coelenterata.
Origin of coelenterate
First recorded in 1870–75; see origin at Coelenterata
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any invertebrate of the phylum Cnidaria (formerly Coelenterata), having a saclike body with a single opening (mouth), which occurs in polyp and medusa forms. Coelenterates include the hydra, jellyfishes, sea anemones, and corals
- (loosely) any invertebrate of the phyla Cnidaria or Ctenophora
- of or relating to coelenterates
C19: from New Latin Coelenterata, hollow-intestined (creatures); see coel-, enteron
- A marine invertebrate of the obsolete phylum Coelenterata, which included the cnidarians
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.