center punch
center punch · center punches
A tool used to create a small indentation in preparation for drilling a holeA tool used to create a small indentation in preparation for drilling a hole.
Meaning
2 senses(US, countable)A tool used to create a small indentation in preparation for drilling a hole.
a tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)
(US, countable)The small indentation created by such a tool.