Knuckle
WordNet

noun


(1)   A joint of a finger when the fist is closed

verb


(2)   Shoot a marble while keeping one's knuckles on the ground
(3)   Press or rub with the knuckles
WiktionaryText

Etymology


From the diminutive of a word for bone, found in

Noun



  1. Any of the joints between the bones of the fingers.
  2. A mechanical joint.
  3. A cut of meat.
  4. The curved part of the cushion at the entrance to the pockets on a cue sports table.
 
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