Cowpox

n.

1.

(Med.) A pustular eruptive disease of the cow, which, when communicated to the human system, as by vaccination, protects from the smallpox; vaccinia; - called also kinepox, cowpock, and kinepock.

Noun

1.

cowpox - a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox Synonyms: vaccinia

animal disease, pox, vaccinia