lignum vitae
- guaiacum (sense )
- Commerce the very hard wood of the guaiacum, used in marine and machine bearings, casters, pulleys, etc.
See lignum vitae in American Heritage Dictionary 4
(lĭgˌnəm vīˈtē)
noun pl. lignum vitaes - Either of two tropical American trees (Guaiacum officinale or G. sanctum) having evergreen leaves and very heavy, durable, resinous wood.
- The wood of either of these trees, the hardest of commercial woods.
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