From Longman Dictionary of Contemporary Englishnutcrackernut‧crack‧er /ˈnʌtˌkrækə $ -ər/ noun [countable] (also nutcrackers British English) 
TZDFa tool for cracking the shells of nuts
TZDFa tool for cracking the shells of nutsExamples from the Corpus
nutcracker• One day when he was old this would be a nutcracker face but that was a long way off.• His face was ruddy and lined and he had a nutcracker nose and chin.• Between his nutcracker lips was one of the thin twisted little cigarettes he made himself.• A huge nutcracker is thus being deployed to crack a relatively small administrative problem.• Jackdaws, trying to settle on the watershed of a roof, find themselves top-heavy and fly away, clacking like nutcrackers.• Personally, I used to devote what little thought I could muster to the question of nutcrackers.• Could it be that man over there busying himself with the nutcracker display?Nutcracker, TheThe NutcrackerNutcracker, The (1892) a ballet with music by Tchaikovsky about a girl who dreams that her nutcracker becomes a prince. It is one of the most popular ballets, and is often performed at Christmas. 