Definition of knucklebone
1 : a bone (such as a metatarsus or metacarpus of a sheep) used in games and formerly in divination
2 knucklebones plural in form but singular in construction : a game played with knucklebones or jacks
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1577
First Known Use of knucklebone
1577
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See words that rhyme with knucklebone Britannica.com: Encyclopedia article about knucklebone
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