Coelenterata Coelenterata /ˌkɒɪlənˈtɛrɪtə/

noun

1. Hydras; polyps; jellyfishes; sea anemones; corals  ( Cnidaria , Coelenterata , phylum Cnidaria , phylum Coelenterata )
   hydras; polyps; jellyfishes; sea anemones; corals