Guā'ia-cūm, n.
(gwā'ya-kūm), n. [Sp. guayaco, from the language of Hayti.]
- (Bot.) A genus of small, crooked trees, growing in several of the West India islands.
- The resin of the Guaiacum officinale, lignumvitæ, or boxwood, found in the West Indies and Central America. It is of a greenish cast, and much used in medicine. [Written also guiac.]