Noun arrhenatherum elatius has 1 sense
  1. tall oat grass, tall meadow grass, evergreen grass, false oat, French rye, Arrhenatherum elatius - coarse perennial Eurasian grass resembling oat; found on roadside verges and rough grassland and in hay meadows; introduced in North America for forage
    --1 is a kind of grass
    --1 is a member of Arrhenatherum, genus Arrhenatherum
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