4 entries found for knuckle.
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knuckle[1,noun] knuckle[2,verb] knuckle down knuckle under

Main Entry: ¹knuck·le
Pronunciation: nk-l
Function: noun
1 : the rounded lump formed by the ends of two bones where they come together in a joint; especially : such a lump at a finger joint
2 : any of several parts (as the hock or shank or a tarsal joint) of the leg of a four-footed animal as used for food