The definition of a nut is a dry fruit with one seed or kernel.(noun)
An example of a nut is an almond.
The definition of a nut is a small metal or wood block with a threaded hole in the middle.(noun)
An example of a nut is how you would keep a metal screw from popping out of its hole.
Nut is a slang term for a crazy or eccentric person or a fan of someone or something.(noun)
See nut in Webster's New World College Dictionary
Origin: ME nutte < OE hnutu, akin to Ger nuss < IE *kneu-, lump, nut (< base *ken-, to squeeze together) > L nux, MIr cnū
See nut in American Heritage Dictionary 4
Origin: Middle English nute
Origin: , from Old English hnutu.
clockwise from top: T-nut, hex cap, wing, and hex nuts
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