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Noun: perennial ryegrass  pu're-nee-ul 'rI,grãs
  1. European perennial grass widely cultivated for pasture and hay and as a lawn grass
    "Perennial ryegrass is commonly used in sports fields";
    - English ryegrass, Lolium perenne

Derived forms: perennial ryegrasses

Type of: rye grass, ryegrass

Encyclopedia: Perennial ryegrass