Hob

1. The hub of a wheel. See Hub.
2. A countryman; a rustic; a clown.
3. A fairy; a sprite; an elf.
4. The flat projection or iron shelf at the side of a fire grate, where things are put to be kept warm.
5. A threaded and fluted hardened steel cutter, resembling a tap, used in a lathe for forming the teeth of screw chasers, worm wheels, etc.