hob

中文： 炉架、滚刀

1. A kind of cutting tool, used to cut the teeth of a gear.
2. The flat projection or iron shelf at the side of a fire grate, where things are put to be kept warm.
3. A rounded peg used as a target in several games, especially in quoits.
4. A male ferret.
5. The hub of a wheel.

复数 hobs