American Heritage® Dictionary of the English Language, Fourth Edition
- n. A tool with a sharp point used in metalworking to mark centers or center lines on pieces to be drilled.
Century Dictionary and Cyclopedia
- n. A tool consisting of a small piece of steel with a hardened point at one end, used for making an indentation, such as to mark the center of a hole to be drilled or a circle to be struck, or as a center of revolution in a lathe. Also called dot-punch and prick-punch.
- v. to create a small hole or indentation in a workpiece as a guide in preparation for drilling
- n. countable a device used to create a small indentation in preparation for drilling a hole
- n. countable the small indentation created by such a device
GNU Webster's 1913
- A punch for making indentations or dots in a piece of work, as for suspension between lathe centers, etc.
- A punch for punching holes in sheet metal, having a small conical center to insure correct locating.
- v. make a small hole in something as a guide for a drill
- n. a tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)
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