knucklebone
nounA knobbed bone, as of a knuckle or joint.
A bone that forms a knuckle in the human hand, in an animal's paw or any bone that forms a similar bump.
A die.
A knobbed bone, as of a knuckle or joint.
A bone that forms a knuckle in the human hand, in an animal's paw or any bone that forms a similar bump.
A die.
