sea duck

2 definitions found

sea duck - Collaborative International Dictionary of English v.0.48 :

  Sea duck \Sea" duck`\ (Zool.)
     Any one of numerous species of ducks which frequent the
     seacoasts and feed mainly on fishes and mollusks. The
     scoters, eiders, old squaw, and ruddy duck are examples. They
     may be distinguished by the lobate hind toe.
     [1913 Webster]

sea duck - WordNet (r) 2.1 (2005) :

  sea duck
      n 1: any of various large diving ducks found along the seacoast:
           eider; scoter; merganser