1. to punch or make holes in something before the main or final operation
Usage: third person singular present tense of prepunch

1. plural of prepunch; holes or marks made by punching in advance of further processing
Usage: technical or manufacturing context

Examples

• The machine prepunches the cards before they are fed into the sorter.
• She prepunches the leather before stitching to ensure precise alignment.
• The factory prepunches all the metal sheets in the morning shift.
• These prepunches serve as guides for the next stage of assembly.
• He prepunches the paper to make the binding process faster.