Definition of "ironwood tree" []

• Handsome East Indian evergreen tree often planted as an ornamental for its fragrant white flowers that yield a perfume; source of very heavy hardwood used for railroad ties (noun)
• Medium-sized hop hornbeam of eastern North America (noun)
• A small slow-growing deciduous tree of northern Iran having a low domed shape (noun)

WordNet. Princeton University. 2010.

• "Hannah hacked a branch off an ironwood tree and added it to the collection."