- a joint of a finger, especially one of the articulations of a metacarpal with a phalanx.
- the rounded prominence of such a joint when the finger is bent.
- a joint of meat, consisting of the parts about the carpal or tarsal joint of a quadruped.
- an angle or protrusion at the intersection of two members or surfaces, as in the timbers of a ship or in a roof.
- brass knuckles.
- a cylindrical projecting part on a hinge, through which an axis or pin passes; the joint of a hinge.
- (in a wire mesh) a bend in a wire crossing another wire.
- (on a chair arm) one of the ridges left at the front end by longitudinal flutes carved to accommodate the fingers.
- a pronounced edge formed by a change in the form of the shell of a hull.
- to rub or press with the knuckles.
- to shoot (a marble) from the thumb and forefinger.
- knuckle down,
- to apply oneself vigorously and earnestly; become serious: Just knuckle down for an hour or so and finish the work.
- to submit; yield.
- a joint of a finger, esp that connecting a finger to the hand
- a joint of veal, pork, etc, consisting of the part of the leg below the knee joint, often used in making stews or stock
- the cylindrical portion of a hinge through which the pin passes
- an angle joint between two members of a structure
- approaching indecency
- to rub or press with the knuckles
- to keep the knuckles on the ground while shooting a marble
