Any of several tropical American trees of the genus Guaiacum, especially G. officinale or G. sanctum, having evergreen leaves and very heavy, durable, resinous wood.
The wood of any of these trees, the hardest of commercial woods.
The very hard wood of the guaiacum, used in marine and machine bearings, casters, pulleys, etc.
The wood or resin from such a tree.
Origin of lignum-vitae
New Latin lignum vītae Latin lignum wood Latin vītae genitive of vīta life