- coelenterate, cnidarian - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
--1 is a kind of invertebrate
--1 is a member of Cnidaria, phylum Cnidaria, Coelenterata, phylum Coelenterata
--1 has parts: coelenteron
--1 has particulars:polyp; medusa; jellyfish, medusa, medusan; scyphozoan; hydrozoan, hydroid; anthozoan, actinozoan