Webster's Revised Unabridged Dictionary · 1913

hardwood

hardwood , noun

The wood of broad-leaved dicotyledonous trees (as distinguished from the wood of conifers); also items made from such wood; as, decorative hardwood.

hardwood , adjective

Made of the hard-to-cut wood of a broad-leaved tree, as for example oak; consisting of a hardwood; as, hardwood floors; -- of wood and wooden objects.