actinaria Meaning, Definition & Usage

  1. noun sea anemones
    order Actinaria; order Actiniaria; Actiniaria.

WordNet

Ac`ti*na"ri*a noun plural
Etymology
NL., from Gr. , , ray.
Definitions
  1. (Zoöl.) 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