Noun trifolium has 1 sense
  1. Trifolium, genus Trifolium - any leguminous plant having leaves divided into three leaflets
    --1 is a kind of rosid dicot genus
    --1 is a member of
     Leguminosae, family Leguminosae, Fabaceae, family Fabaceae, legume family, pea family
    --1 has members: clover, trefoil
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