Cowpox

['kaʊpɒks] or ['kaʊpɑks]

Definition

(noun.) a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox.

Typed by Anton--From WordNet

Definition

(n.) 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.

Checked by Ives