- hayhay1 [hā]n.[ME hei < OE hieg (akin to Ger heu) < base of OE heawan, to cut: see HEW]1. grass, alfalfa, clover, etc. cut and dried for use as fodder2. Slang bed, often, specif., as a place for sexual intercourse☆ 3. Slang a small amount, esp. of money [a hundred dollars ain't hay]vi.to mow grass, alfalfa, etc., and spread it out to dryvt.Rare1. to furnish with hay2. to grow grass on (land) for hay——————☆ hit the haySlang to go to bed to sleep——————make hay1. to mow grass, alfalfa, etc., and spread it out to dry2. to make the most of an opportunity——————make hay out of or make hay ofto turn (something) to one's advantage——————make hay while the sun shinesto make the most of an opportunityhay2 [hā]n.[OFr haye]an old country dance with much winding in and out
English World dictionary. V. Neufeldt. 2014.