Ryegrass

Origin

rye + grass

Full definition of ryegrass

Noun

1. (countable) Any of several species of tufted grasses of the genus Lolium.Perennial ryegrass is an important species for lawn seed mixes.
2. (uncountable) A collection of plants of any of the species, as in a lawn or field.We seeded the meadow with ryegrass to provide better forage.