'Vaccinia' definitions:

Definition of 'vaccinia'

From: WordNet
noun
A local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar [syn: vaccinia, vaccina, variola vaccine, variola vaccinia, variola vaccina]
noun
A viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox [syn: cowpox, vaccinia]

Definition of 'Vaccinia'

From: GCIDE
  • Vaccinia \Vac*cin"i*a\, n. [NL. See Vaccine.] (Med.) Cowpox; vaccina. See Cowpox. [1913 Webster]