Noun genus guaiacum has 1 sense
  1. Guaiacum, genus Guaiacum - small genus of evergreen resinous trees or shrubs of warm and tropical America
    --1 is a kind of rosid dicot genus
    --1 is a member of Zygophyllaceae, family Zygophyllaceae, bean-caper family
    --1 has members:
     lignum vitae, Guaiacum officinale; bastard lignum vitae, Guaiacum sanctum
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