noun
- (in humans) any of the bones forming a knuckle of a finger.
- (in quadrupeds) a bone homologous with a wrist, ankle, or finger bone of humans, or its knobbed end.
noun
- (functioning as singular) a less common name for jacks
noun
- any bone forming part of a knuckle or knuckle joint
n.
- A knobbed bone, as of a knuckle or joint.