Lignum-vitae definitions

lĭg'nəm vī'tē
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.
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The wood of any of these trees, the hardest of commercial woods.
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The very hard wood of the guaiacum, used in marine and machine bearings, casters, pulleys, etc.
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The guaiacum trees, Guaiacum officinale and Guaiacum sanctum.
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The wood or resin from such a tree.
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Origin of lignum-vitae

New Latin lignum vītae Latin lignum wood Latin vītae genitive of vīta life