Definitions for knuckleboneˈnʌk əlˌboʊn
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Random House Webster's College Dictionary
knuck•le•boneˈnʌk əlˌboʊn(n.)
(in humans) any of the bones forming a knuckle of a finger.
Category: Anatomy
(in quadrupeds) any bone having a knobbed end.
Category: Zoology
Origin of knucklebone:
1400–50
Wiktionary
knucklebone(Noun)
A bone that forms a knuckle in the human hand, in an animal's paw or any bone that forms a similar bump.
knucklebone(Noun)
A die
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