Meanings
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1
noun
a thick-walled muscular part of the digestive tract that grinds food in birds and various other animals
The chicken swallowed grit that helped its gizzard grind hard seeds.
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2
noun
the stomach or belly of a person; informal or humorous
The comedian claimed that one more pie would burst his gizzard.
Thesaurus
Etymology
From Middle English giser or geser, through Old French gesier from Latin gigeria, 'cooked entrails.' The word narrowed to the muscular grinding organ found in birds and several other animal groups, then developed a humorous human-stomach sense.