Definition for GUAIA'CUM

GUAIA'CUM, n.

The name of a genus of plants, and also, of the resin of the species G. officinale, popularly called Lignum vitæ, or pox wood; a tree produced in the warm climates of America. The wood is very hard, ponderous and resinous. The resin of this tree, or guaiacum, is of a greenish cast, and much used in medicine. Encyc.

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