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Noun: knuckle  nú-kul
  1. A joint of a finger when the fist is closed
    - knuckle joint, metacarpophalangeal joint
Verb: knuckle  nú-kul
  1. Press or rub with the knuckles
  2. Shoot a marble while keeping one's knuckles on the ground

Derived forms: knuckles, knuckling, knuckled

Type of: articulatio synovialis, diarthrosis, press, shoot, synovial joint

Part of: finger

Encyclopedia: Knuckle, Robert