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• n  medicinal resin from the lignum vitae tree
• n  hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum
• n  small genus of evergreen resinous trees or shrubs of warm and tropical America

• They finally found what they wanted in gum guaiac, made from the sap of the tropical American guaiacum tree.

• lignum vitae
• guaiac
• Guaiacum
• genus Guaiacum