perennial ryegrass

noun

Definition of perennial ryegrass

: a European perennial grass (Lolium perenne) with erect culms and spikelets borne in a zigzag spike that is widely cultivated for pasture and hay and as a lawn grass

called also English ryegrass

— compare italian ryegrass

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Cite this Entry

“Perennial ryegrass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perennial%20ryegrass. Accessed 27 May. 2022.

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