What does lignum vitae mean?
• LIGNUM VITAE (noun) The noun LIGNUM VITAE has 2 senses: 1. hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum 2. small evergreen tree of Caribbean and southern Central America to northern South America; a source of lignum vitae wood, hardest of commercial timbers, and a medicinal resin Familiarity information: LIGNUM VITAE used as a noun is rare.