Radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms.
1I don't see how it could hurt us, though those whips might be unpleasant-andthey could be poisonous, like a coelenterate's.
2The exact nature of the poison is not known, but it is so potent that Physalia is the most dangerous of all the coelenterates.
Translations for coelenterate