actinaria

3 definitions found

actinaria - Collaborative International Dictionary of English v.0.48 :

  Actinaria \Ac`ti*na"ri*a\, n. pl. [NL., from Gr. ?, ?, ray.]
     (Zool.)
     An order 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.
     [1913 Webster]

  Anthozoa \An`tho*zo"a\, n. pl. [NL., fr. Gr. 'a`nqos flower + ?
     animal.] (Zool.)
     The class of the C[oe]lenterata which includes the corals and
     sea anemones. The three principal groups or orders are
     Acyonaria, Actinaria, and Madreporaria.
     [1913 Webster]

actinaria - WordNet (r) 2.1 (2005) :

  Actinaria
      n 1: sea anemones [syn: Actiniaria, order Actiniaria,
           Actinaria, order Actinaria]