ˈ ̷ ̷ˌ ̷ ̷ noun
( -es )
1. : a mild eruptive disease of cattle (as cows) that when communicated to man (as by vaccination or natural inoculation) protects against smallpox : vaccinia
2. : an eruptive disease in cows that when communicated to man (as during milking) causes nodules on the hands — called also false cowpox ; compare milker's nodules