Definition of bird flu noun from the Oxford Advanced Learner's Dictionary


bird flu

BrE BrE//ˈbɜːd fluː//
; NAmE NAmE//ˈbɜːrd fluː//
(also chicken flu) (formal avian flu) [uncountable] Ailments and diseases
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a serious illness that affects birds, especially chickens, that can be spread from birds to humans and that can cause death Ten new cases of bird flu were reported yesterday. See related entries: Ailments and diseases
See the Oxford Advanced American Dictionary entry: bird flu