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hard·wood n.
1. the hard, compact wood or timber of various trees, as the oak, cherry, maple, or mahogany.
2. a tree yielding such wood.
–adj.
3. made or constructed of hardwood: a hardwood floor.

Exemplos:
African mahogany,
1. a large tree, Khaya ivorensis, of western Africa, having **hard wood** resembling true mahogany, widely used in cabinetmaking and boatbuilding.

mahogany n., pl. -nies, adj.
1. any of several tropical American trees of the genus Swietenia, esp. S. mahagoni and S. macrophylla, yielding **hard, reddish-brown wood** used for making furniture.