Zoanthus

1 definition found

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

  Zoanthus \Zo*an"thus\, n. [NL. See {Zoantharia}.] (Zool.)
     A genus of Actinaria, including numerous species, found
     mostly in tropical seas. The zooids or polyps resemble small,
     elongated actinias united together at their bases by fleshy
     stolons, and thus forming extensive groups. The tentacles are
     small and bright colored.


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