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  1  definition  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Asterias  \As*te"ri*as\,  n.  [NL.,  fr  Gr  ?  starred,  fr  'asth`r 
  star.]  (Zo["o]l.) 
  A  genus  of  echinoderms. 
  Note:  Formerly  the  group  of  this  name  included  nearly  all 
  starfishes  and  ophiurans.  Now  it  is  restricted  to  a 
  genus  including  the  commonest  shore  starfishes.