Definitions
There are 2 meanings of the phrase
Center Punch.
Center Punch - as a noun
A tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)
Center Punch - as a verb
Make a small hole in something as a guide for a drill
Example Sentences
"I used a center punch to mark the starting point for drilling."
"The mechanic used a center punch to indent the metal before drilling."
"John accidentally broke his center punch while using it."
"The blacksmith used a center punch to create a divot in the metal."
"Please hand me the center punch from the toolbox."