·noun An instrument for cracking nuts.
II. Nutcracker ·noun The American, or Clarke's, nutcracker (Picicorvus Columbianus) of Western North America.
III. Nutcracker ·noun 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.