Word Study
Spavin
CIDE DICTIONARY
Spavin, n. [OE. spaveyne, OF. esparvain, F. éparvin; akin to OF. espervier a sparrow hawk, F. épervier, fr. OHG. sparwāri (G. sperber), fr. OHG. sparo sparrow, because this disease makes the horse raise the infirm leg in the manner of a sparrow hawk or sparrow. See Sparrow.].
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. Harbaugh. [1913 Webster]
OXFORD DICTIONARY
Spavin, n. Vet. a disease of a horse's hock with a hard bony tumour or excrescence.
Idiom
blood (or bog) spavin a distension of the joint by effusion of lymph or fluid. bone spavin a deposit of bony substance uniting the bones.
Derivative
spavined adj.
Etymology
ME f. OF espavin, var. of esparvain f. Gmc
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