(medicine) A bony deposit in the muscles of the upper and inner part of the thigh, due to the pressure and irritation caused by the saddle in riding.

The experience of complex visual hallucinations in patients with visual loss.

(historical) A gold coin of the time of James V of Scotland, bearing an image of the king's head wearing a bonnet.

A preparation containing carbonized bone, used as a pigment and a filtering medium.

scapula

The earthy residuum after the calcination of bone, consisting chiefly of calcium phosphate.

fossil bone or tooth of a delicate blue colour, sometimes used as imitation turquoise

(masonry) A bond in which no header stone stretches across the wall, but two headers meet in the middle, and their joint is covered by another stone laid header fashion.

The patella of a sheep, formerly used as a charm against cramp.

(mining) smithsonite