unio

2 definitions found

unio - Collaborative International Dictionary of English v.0.48 :

  Unio \U"ni*o\, n. [NL., fr. L. unio unity, union, a single large
     pearl. See Union.] (Zool.)
     Any one of numerous species of fresh-water mussels belonging
     to Unio and many allied genera.
     [1913 Webster]

unio - WordNet (r) 2.1 (2005) :

  Unio
      n 1: type genus of the family Unionidae [syn: Unio, genus Unio
           ]