Planarian

2 definitions found

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

  Planarian \Pla*na"ri*an\, n. (Zool.)
     One of the Planarida, or Dendroc[oe]la; any turbellarian
     worm. -- {Pla*na"ri*an}, a.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  planarian
       n : free-swimming mostly freshwater flatworms; popular in
           laboratory studies for the ability to regenerate lost
           parts [syn: {planaria}]