Hob is defined as a shelf inside a fireplace used to keep things warm, a tool used to make the teeth on a machine part, or an elf.(noun)
See hob in Webster's New World College Dictionary
Origin: ? var. of hub
Origin: ME, old familiar form for Robin, Robert
See hob in American Heritage Dictionary 4
Origin: Origin unknown.
Origin: From Middle English Hob, a nickname for Robert
Origin: , a nickname for Robert.
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