hob
1. hob \'ha:b\ n [ME hobbe, fr. Hobbe, nickname for Robert] dial Eng 1:
HOBGOBLIN, ELF 2: MISCHIEF, TROUBLE {raise ~}
2. hob n [origin unknown] 1: a projection at the back or side of a
fireplace on which something may b e kept warm 2: a cutting tool used for
cutting the teeth of worm wheels or gear wheels
3. hob vt or hobbed; or hob.bing 1: to furnish with hobnails 2: to cut
with a hob
Webster's English Dictionary