noun. a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox.
- animal disease
- cow (English)
- cou (Middle English (1100-1500))
- pox (English)
- pokkes (Middle English (1100-1500))
Example sentences of the word cowpox
In 1796, Edward Jenner performed the first vaccination against smallpox by inoculating a young boy with cowpox matter.