Hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum.

synonyms: guaiac, guaiacum.

Polish: gwajak, gwajakowiec

Small evergreen tree of Caribbean and southern Central America to northern South America; a source of lignum vitae wood, hardest of commercial timbers, and a medicinal resin.

synonym: Guaiacum officinale.

Polish: gwajakowiec lekarski, gwajak właściwy, gwajakowe drzewo