Ac`ti*na"ri*a (#), n. pl. [NL., from Gr. , , ray.] Zool.

A large division of Anthozoa, including those which have simple tentacles and do not form stony corals. Sometimes, in a wider sense, applied to all the Anthozoa, expert the Alcyonaria, whether forming corals or not.


© Webster 1913.

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