nut·crack·er 
(nŭtkrăk′ər)
(nŭtkrăk′ər)n.
1.
a. An implement used to crack nuts, typically consisting of two hinged metal levers between which the nut is squeezed.
b. A decorative, usually wooden statue or figurine, especially of a soldier or king, that has a hinged lever to open and close the mouth.
2. Either of two birds, Nucifraga caryocatactes of northern Eurasia or N. columbiana of western North America, that feed chiefly on the seeds of pine cones.