Meaning of ray-grass in English:

ray-grass

noun

(also raay-grass)
  • Ryegrass.

Pronunciation

ray-grass

/ˈreɪɡrɑːs/ /ˈreɪɡras/

Origin

Late 17th century; earliest use found in Robert Plot (bap. 1640, d. 1696), naturalist and antiquary. From ray + grass.