dreissena

2 definitions found

dreissena - Collaborative International Dictionary of English v.0.48 :

  Dreissena \Dreis"se*na\, prop. n. [NL. Named after Dreyssen, a
     Belgian physician.] (Zool.)
     A genus of bivalve shells of which one species (Dreissena polymorpha
     ) is often so abundant as to be very troublesome
     in the fresh waters of Europe.
     [1913 Webster]

dreissena - WordNet (r) 2.1 (2005) :

  Dreissena
      n 1: zebra mussels [syn: Dreissena, genus Dreissena]