Definition of hay fever noun from the Oxford Advanced Learner's Dictionary


hay fever

BrE BrE//ˈheɪ fiːvə(r)//
; NAmE NAmE//ˈheɪ fiːvər//
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an illness that affects the nose, eyes and throat and is caused by pollen from plants that is breathed in from the air
See the Oxford Advanced American Dictionary entry: hay fever