spavin Meaning, Definition & Usage

  1. noun a swelling of the hock joint of a horse; resulting in lameness

WordNet

Spav"in noun
Etymology
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.
Definitions
  1. (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.

Webster 1913