Alcyonium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Alcyonium \Al`cy*o"ni*um\, n. [Gr. ? a zo["o]phyte, so called
     from being like the halcyon's nest.] (Zool.)
     A genus of fleshy Alcyonaria, its polyps somewhat resembling
     flowers with eight fringed rays. The term was also formerly
     used for certain species of sponges.
     [1913 Webster]