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1. (n.) cnidarian
any radially symmetric invertebrate of the phylum Cnidaria, including the hydras, jellyfishes, sea anemones, and corals, characterized by stinging cells and a saclike digestive cavity with a single opening surrounded by tentacles.
2. (adj.) cnidarian
of or pertaining to the cnidarians.
Etymology: (1930–35; < NL Cnidari(a) (see cnida , -aria ) + -an1)
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| Definition of 'cnidarian' |
Princeton's WordNet |
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1. (noun) coelenterate, cnidarian
radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
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Definitions of cnidarian 
