YourDictionary

knuckle

noun

    1. a joint of the finger; esp., the joint connecting a finger to the rest of the hand
    2. the rounded knob formed by the bones at such a joint
  1. the knee or hock joint and nearby parts of a pig or other animal, used as food
  2. something resembling a knuckle, as any of the projecting, cylindrical parts through which a pin is passed to form a hinge
  3. brass knuckles
  4. Archit. the central joint in a gambrel or curb roof

transitive verb knuckled, knuckling

to strike, press, or touch with the knuckles

See knuckle in American Heritage Dictionary 4

Learn more about knuckle

knuckle

link/cite print suggestion box