SPAVINS
Noun
spavins
plural of spavin
Source: Wiktionary
SPAVIN
Spav"in, n. Etym: [OE. spaveyne, OF. esparvain, F. éparvin; akin to
OF. espervier a sparrow hawk, F. épervier, fr. OHG. sparwari (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.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition