Sertularian

2 definitions found

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

  Sertularian \Ser`tu*la"ri*an\, n. (Zool.)
     Any species of Sertularia, or of {Sertularidae}, a family of
     hydroids having branched chitinous stems and simple sessile
     hydrothecae. Also used adjectively.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  sertularian
       n : feathery colony of long-branched stems bearing stalkless
           paired polyps