center punch

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)
• Hypernyms:
punch, puncher

II - verb

make a small hole in something as a guide for a drill (Freq. 2)
• Hypernyms:
pierce, thrust
• Verb Frames:
- Somebody ----s something
- Something ----s something