cnidarian | ||
1. | [ noun ] (zoology) radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms | |
Synonyms: | coelenterate | |
Related terms: | invertebrate polyp hydrozoan medusa jellyfish scyphozoan anthozoan Cnidaria coelenteron | |
Similar spelling: |
Cnidaria |