actinozoan
English Thesaurus
1. sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed (noun.animal)
| hypernym | : | cnidarian, coelenterate, |
| definition | : | radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms (noun.animal) |
| hyponym | : | anemone, sea anemone, |
| definition | : | marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton (noun.animal) |
| hyponym | : | sea pen, |
| definition | : | fleshy featherlike warm-water colonies (noun.animal) |
| hyponym | : | coral, |
| definition | : | marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs (noun.animal) |
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