1. (noun) hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum

• guaiac
• guaiacum

2. (noun) 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

• guaiacum officinale

1. (noun) hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum

• wood

2. (noun) 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

• angiospermous tree
• flowering tree

1. (noun) 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

• genus guaiacum
• guaiacum