Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cnidarian

1 sense of cnidarian

Sense 1
coelenterate, cnidarian -- (radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms)
       => invertebrate -- (any animal lacking a backbone or notochord; the term is not used as a scientific classification)