noun
hob
A projecting metal part used in machinery or toolmaking.
The hob projects from the metal surface of the machine.
Etymology
The machinery sense continues an older name for a projection or support. The deeper origin of this word is uncertain.
More examples
- The technician checks each hob for signs of wear.
- A worn hob no longer fits snugly into the opening.
- These hobs line up with the holes in the plate.
Forms
hob · hobs