D defs.my
Entry 1 sense Webster, 1913

Cowpox

/(-pŏks`)/ · Cow·pox · IPA
01 n. A pustular eruptive disease of the cow, which, when communicated to the human system, as by vaccination, protects from the smallpox; vaccin…
  1. 1.
    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.(Med.) Also: kinepox, cowpock, kinepock