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ryegrass Line breaks: rye|grass
Pronunciation: /ˈrʌɪɡrɑːs/

Definition of ryegrass in English:


[mass noun]
A Eurasian grass which is a valuable fodder and lawn grass.
  • Genus Lolium, family Gramineae: several species, in particular L. perenne
Example sentences
  • Perennial ryegrass is a bunch grass suitable for hay, silage, or pasture.
  • In this region, cool-season grasses such as fine fescue, Kentucky bluegrass and turf-type perennial ryegrass thrive.
  • Tall fescue and perennial ryegrass are more resistant than bluegrass and Bermuda.


Early 18th century: alteration of obsolete ray-grass, of unknown origin.

Words that rhyme with ryegrass

underpass • wheatgrass

Definition of ryegrass in:

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