an·tho·zo·an ( n th -z  n)n. Any of a class (Anthozoa) of marine organisms, such as the corals and sea anemones, that have radial segments and grow singly or in colonies. an tho·zoan, antho·zoic (-z k) adj. |
anthozoan [ˌænθəˈzəʊən]
n
(Life Sciences & Allied Applications / Animals) any of the solitary or colonial sessile marine coelenterates of the class Anthozoa, including the corals, sea anemones, and sea pens, in which the body is in the form of a polyp
adj
(Life Sciences & Allied Applications / Zoology) Also actinozoan of or relating to the class Anthozoa
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  anthozoan - sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressedcnidarian, coelenterate - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms Actinozoa, Anthozoa, class Actinozoa, class Anthozoa - a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed sea anemone, anemone - marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton sea pen - fleshy featherlike warm-water colonies coral - marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs |
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