Oxford Dictionary English hay fever nounnoun BrE BrE//ˈheɪ fiːvə(r)// ; NAmE NAmE//ˈheɪ fiːvər// [uncountable] Add to my wordlistjump to other results an illness that affects the nose, eyes and throat and is caused by pollen from plants that is breathed in from the airSee hay fever in the Oxford Advanced American DictionaryCheck pronunciation: hay fever oxfordlearnersdictionaries.com
