Definition of knuckle

Definition of knuckle
  1. knuckle Noun Any of the joints between the phalanges of the fingers.
  2. knuckle Noun A mechanical joint.
  3. knuckle Noun A cut of meat.
  4. knuckle Noun The curved part of the cushion at the entrance to the pockets on a cue sports table.
  5. knuckle Verb To apply pressure, or rub or massage with one's knuckles.
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