Oat grass definitions

Oat grass

1) Wild grain
Found on https://www.crosswordclues.com/clue/oat-grass

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oat grass

any of the perennial plants of two genera of grasses, Arrhenatherum and Danthonia (family Poaceae). Approximately six species of tall grasses, ...
Found on http://www.britannica.com/eb/a-z/o/1

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