Open English Wordnet
Nouns
(n)lignum vitae, guaiac, guaiacumhard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum
(n)lignum vitae, Guaiacum officinalesmall 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