Search Result for "rotifer": 
Wordnet 3.0

NOUN (1)

1. minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton; 



The Collaborative International Dictionary of English v.0.48:

Rotifer \Ro"ti*fer\ (?; 277), n. [NL. see Rotifera.] (Zool.)
   One of the Rotifera. See Illust. in Appendix.
   [1913 Webster]


WordNet (r) 3.0 (2006):

rotifer
    n 1: minute aquatic multicellular organisms having a ciliated
         wheel-like organ for feeding and locomotion; constituents
         of freshwater plankton