Noun genus holcus has 1 sense
  1. Holcus, genus Holcus - a genus of Old World grasses widely cultivated in America
    --1 is a kind of monocot genus, liliopsid genus
    --1 is a member of
     Gramineae, family Gramineae, Graminaceae, family Graminaceae, Poaceae, family Poaceae, grass family
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