spavin

Bog spavin.

Bone spavin.

A disease of horses affecting the hock-joint, or joint of the hind leg between the knee and the fetlock. See bog-spavin, bloodspavin, bone-spavin.

In coal-mining, the clay underlying the coal. Also called under-clay, coal-clay, seat, seat-clay, etc.

A disease of horses characterized by a bony swelling developed on the hock as the result of inflammation of the bones; also, the swelling itself. The resulting lameness is due to the inflammation, and not the bony tumor as popularly supposed.

a soft swelling produced by distention of the capsular ligament of the hock; — called also blood spavin.

spavin attended with exostosis; ordinary spavin.

A disease of horses characterized by a bony swelling developed on the hock as the result of inflammation of the bones.

a swelling of the hock joint of a horse; resulting in lameness