any marine coelenterate of the class Anthozoa, comprising colonial and solitary polyps and including corals, sea anemones, sea pens, etc.
adjective
Also anthozoic belonging or pertaining to the anthozoans.
anthozoan
British
/ ˌænθəˈzəʊən /
noun
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