Source : Webster's Revised Unabridged Dictionary (1913)

Ringneck \Ring"neck`\, n.
   1. (Zo["o]l.) Any one of several species of small plovers of
      the genus {[AE]gialitis}, having a ring around the neck.
      The ring is black in summer, but becomes brown or gray in
      winter. The semipalmated plover ({[AE]. semipalmata}) and
      the piping plover ({[AE]. meloda}) are common North
      American species. Called also {ring plover}, and
      {ring-necked plover}.

   2. (Zo["o]l.) The ring-necked duck.