Nutcracker/ˈnʌtkrækər/ Definition 1 of 3Pro Tip 1/3Physical Object Nutcracker refers to a handheld device, not a machine or a person. Can you pass me the nutcracker from the kitchen drawer? Pro Tip 2/3Specific Use It's designed to open hard nutshells like those of walnuts or pecans. This particular nutcracker seems sturdy enough for almonds. Pro Tip 3/3Figurative Speech Sometimes used metaphorically to describe a tough problem or challenge. This math puzzle is a real nutcracker.