knuckle

Definitions

• Any of the joints between the phalanges of the fingers.
• (by extension) A mechanical joint.
• A cut of meat.
• (sports) The curved part of the cushion at the entrance to the pockets on a cue sports table.
• The kneejoint of a quadruped, especially of a calf; formerly used of the kneejoint of a human being.
• (obsolete) The joint of a plant.
• (shipbuilding) A convex portion of a vessel's figure where a sudden change of shape occurs, as in a canal boat, where a nearly vertical side joins a nearly flat bottom.
• A contrivance, usually of brass or iron, and furnished with points, worn to protect the hand, to add force to a blow, and to disfigure the person struck; a knuckle duster.
• (skiing) The rounded point where a flat changes to a slope on a piste.