Spav"in(?), n. [OE. spaveyne, OF. esparvain, F. parvin; akin to OF. espervier a sparrow hawk, F. pervier, fr. OHG. sparwri (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.] (Far.) 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.
Bog spavin, a soft swelling produced by distention of the capsular ligament of the hock; -- called also
blood spavin. --
Bone spavin, spavin attended with exostosis; ordinary spavin.
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Wed 12th December 2018