peen
noun [ C ] uk/piːn/ us/piːn/
（呈半球形的）锤顶
the part of the head (= top part) of a hammer that is opposite the flat end and can be of various shapes
The ball peen hammer is used in metalworking. 圆头锤在金属加工时使用。
a cross peen hammer 斩口锤
- More examples
- The other hammer has a peen tip with a cylindrical die.
- The hammerhead consists of a slightly bevelled flat head as well and a rounded cross peen.
- It's like attacking a battleship with a ball peen hammer.
peen
verb [ T ] uk/piːn/ us/piːn/
用锤顶敲击
to hit metal with a hammer to make it flatter
I found that the axle ends were peened, so the wheels couldn't easily be removed. 我发现车轴的两端被砸平了，所以车轮不容易拆下来。
- More examples
- A type of power hammer peens the sheet metal.
- Mild steel can be peened by hand without using heat.
- You can practise on scrap pieces of metal before trying to peen your scythe blade.