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Definition of knucklebone

knucklebone

/ˈnʌk.əlˌboʊn/
knuck · le · bone

Plural:knucklebones
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knucklebone Lexical Profile

knucklebone Game Scores & Validity

• noun

1

A bone forming a knuckle in the human hand, or the tarsal bone (astragalus) or limb joint bone of a cloven-hoofed animal such as a sheep or calf.

Example

"The butcher added a meaty knucklebone to the pot to give the broth a rich, savory depth."


2

A small, six-sided bone from a sheep's ankle, or a metal or plastic imitation of it, used as a game piece or die; (in plural, treated as singular) an ancient game of skill played by tossing and catching these pieces, similar to jacks.

Example

"Archaeologists uncovered a set of polished sheep knucklebones that Roman soldiers once used for games of chance."

Synonyms
View all synonyms for knucklebone

• Rhymes for knucklebone

Word Origin & Etymology

Formed in late Middle English as a compound of 'knuckle' and 'bone'. In antiquity, the astragalus bones of sheep or goats were widely used as precursors to modern dice and for children's tossing games.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Knucklebone. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/knucklebone
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