Definition of ryegrass noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈraɪɡrɑːs//
; NAmE NAmE//ˈraɪɡræs//
jump to other results
a type of grass which is grown as food for animals Word Origin early 18th cent.: alteration of obsolete ray-grass, of unknown origin.
See the Oxford Advanced American Dictionary entry: ryegrass