Daphnia

2 definitions found

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

  Daphnia \Daph"ni*a\, n. [NL.] (Zool.)
     A genus of the genus {Daphnia}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  daphnia
       n : minute freshwater crustacean having a round body enclosed in
           a transparent shell; moves about like a flea by means of
           hairy branched antennae [syn: {water flea}]