Meaning

• A kind of cutting tool, used to cut the teeth of a gear.

• The flat projection or iron shelf at the side of a fire grate, where things are put to be kept warm.

• The top cooking surface on a cooker; a cooktop. It typically comprises several cooking elements (often four), also known as 'rings'.

• A rounded peg used as a target in several games, especially in quoits.

• A male ferret.

• The hub of a wheel.

Meaning

• To create (a gear) by cutting with a hob.

• To engage in the process of cutting gears with a hob.