Nutcracker \Nut"crack`er\, n.

1. An instrument for cracking nuts.

2. (Zo["o]l.)
   (a) A European bird (Nucifraga caryocatactes), allied to the magpie and crow. Its color is dark brown, spotted with white. It feeds on nuts, seeds, and insects.
   (b) The American, or Clarke's, nutcracker (Picicorvus Columbianus) of Western North America.

Source: Webster's Revised Unabridged Dictionary (1913)