Rotifera

2 definitions found

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

  Rotifera \Ro*tif"e*ra\, n.; pl. [NL., from L. rota ? wheel +
     ferre to bear.] (Zool.)
     An order of minute worms which usually have one or two groups
     of vibrating cilia on the head, which, when in motion, often
     give an appearance of rapidly revolving wheels. The species
     are very numerous in fresh waters, and are very diversified


     in form and habits.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Rotifera
       n : a phylum including: rotifers [syn: {phylum Rotifera}]