1. n.1 a a flat heating surface for a pan on a cooker. b a flat metal shelf at the side of a fireplace, having its surface level with the top of the grate, used esp. for heating a pan etc.
2 a tool used for cutting gear-teeth etc.
3 a peg or pin used as a mark in quoits etc.
4 HOBNAIL.
Etymology: perh. var. of HUB, orig. lump 2. n.1 a male ferret.
2 a hobgoblin.
Phrases and idioms:
play (or raise) hob US cause mischief.
Etymology: ME, familiar form of Rob, short for Robin or Robert