Толковый словарь английского языка Oxford English Reference - hay

1. n. & v. --n. grass mown and dried for fodder. --v. 1 intr. make hay. 2 tr. put (land) under grass for hay. 3 tr. make into hay. Phrases and idioms hay fever an allergy with catarrhal and other asthmatic symptoms, caused by pollen or dust. make hay of throw into confusion. make hay (while the sun shines) seize opportunities for profit or enjoyment. Etymology: OE heg, hieg, hig f. Gmc 2. n. (also hey) 1 a country dance with interweaving steps. 2 a figure in this. Etymology: obs. F haie