barnyard : Idioms & Phrases
barnyard grass
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noun a coarse annual panic grass; a cosmopolitan weed; occasionally used for hay or grazing
Echinochloa crusgalli; barn millet; barn grass.
WordNet
japanese barnyard millet
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noun coarse annual grass cultivated in Japan and southeastern Asia for its edible seeds and for forage; important wildlife food in United States
sanwa millet; billion-dollar grass; Echinochloa frumentacea; Japanese millet.