Definitions
1.NounA hand tool used to prepare a workpiece prior to drilling a hole. It typically compresses and then suddenly releases a spring, creating a small indentation that, in turn, guides and centers the drill.
2.NounThe indentation left by such a tool.
3.VerbTo prepare a workpiece for drilling by using a centerpunch to create an indentation.
4.VerbTo place something directly in the middle.