English

Definition of cowpox noun from the Oxford Advanced Learner's Dictionary

 

cowpox

 noun
noun
BrE BrE//ˈkaʊpɒks//
 
; NAmE NAmE//ˈkaʊpɑːks//
 
[uncountable]
 
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a disease caused by a virus, which affects cows and can infect humans. The cowpox virus was used in making vaccines against smallpox.
See the Oxford Advanced American Dictionary entry: cowpox