the world > plants > by growth or development > defined by habit > herb or herbaceous plant > [noun] > herbage or grass > cultivated or for pasture > for hay
hay-grass1601
1601 P. Holland tr. Pliny Hist. World II. 286 Among the kinds of hey-grasse.
1883 Sunday Mag. July 446/1 What a leap from the grass of an English meadow..to the hay-grass in Bengal!