holcus : Idioms & Phrases
genus holcus
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noun a genus of Old World grasses widely cultivated in America
Holcus.
WordNet
holcus lanatus
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noun tall European perennial grass having a velvety stem; naturalized in United States and used for forage
velvet grass; Yorkshire fog.
WordNet
holcus mollis
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noun European perennial grass with soft velvety foliage
creeping soft grass.