very hard brown to brownish-red heartwood of a logwood tree; used in preparing a purplish red dye

spiny shrub or small tree of Central America and West Indies having bipinnate leaves and racemes of small bright yellow flowers and yielding a hard brown or brownish-red heartwood used in preparing a black dye

[ Syn: logwood tree , campeachy , bloodwood tree , haematoxylum campechianum ]