SG Heritage Dictionary

Spavin [Noun] Webster's Dictionary 1828

A tumor or excrescence that forms on the inside of a horse's hough, not far from the elbow; at first like gristle, but afterwards hard and bony.

Spavin [Noun] Webster's Dictionary 1913

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.

Spavined [Adjective] Webster's Dictionary 1828

Affected with spavis.

Spavined [Adjective] Webster's Dictionary 1913

Affected with spavin.