The DICT Development Group

  Scoter \Sco"ter\, n. [Cf. Prov. E. scote to plow up.] (Zool.)
     Any one of several species of northern sea ducks of the genus
     Oidemia.
     [1913 Webster]
  
     Note: The European scoters are Oidemia nigra, called also
           black duck, black diver, surf duck; and the
           velvet, or double, scoter ({Oidemia fusca). The common
           American species are the velvet, or white-winged,
           scoter ({Oidemia Deglandi), called also velvet duck,
           white-wing, bull coot, white-winged coot; the
           black scoter ({Oidemia Americana), called also black
           coot, butterbill, coppernose; and the surf scoter,
           or surf duck ({Oidemia perspicillata), called also
           baldpate, skunkhead, horsehead, patchhead,
           pishaug, and spectacled coot. These birds are
           collectively called also coots. The females and young
           are called gray coots, and brown coots.
           [1913 Webster]

  Horsehead \Horse"head`\, n. (Zool.)
     The silver moonfish ({Selene vomer).
     [1913 Webster]

  horsehead
      n 1: any of several silvery marine fishes with very flat bodies
           [syn: moonfish, Atlantic moonfish, horsefish,
           horsehead, horse-head, dollarfish, Selene
           setapinnis]