Noun bay grass has 1 sense
  1. love grass, bay grass - any of various grasses of the genus Eragrostis; useful especially for forage and prevention of erosion
    --1 is a kind of grass
    --1 is a member of Eragrostis, genus Eragrostis
    --1 has particulars:
     teff, teff grass, Eragrostis tef, Eragrostic abyssinica; weeping love grass, African love grass, Eragrostis curvula
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