- See under spavin(def 1).
- a disease of the hock joint of horses in which enlargement occurs because of collected fluids (bog spavin), bony growth (bone spavin), or distention of the veins (blood spavin).
- an excrescence or enlargement so formed.
Origin of spavin
Examples from the Web for bone spavin
Fibrous tumors are sometimes located in the inferior part of the medial side of the tarsus—exactly over the seat of bone-spavin.Lameness of the Horse
John Victor Lacroix
- vet science enlargement of the hock of a horse by a bony growth (bony spavin) or fluid accumulation in the joint (bog spavin), usually caused by inflammation or injury, and often resulting in lameness
Word Origin and History for bone spavin
disease of the hock joint of a horse, early 15c., from Middle French espavain, perhaps from Frankish *sparwan "sparrow" (see sparrow), so called perhaps from comparison of the bird's awkward gait to that of a horse affected with spavin.