1. (

• guaiacum ,

) medicinal resin from the lignum vitae tree ;

2. (

• lignum_vitae ,
• guaiac ,
• guaiacum ,

) hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum ;

3. (

• Guaiacum ,
• genus_Guaiacum

) small genus of evergreen resinous trees or shrubs of warm and tropical America ;