iron wood

• n.
  • 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

    同义词： rose chestnut ironwood ironwood tree Mesua ferrea

  • exceptionally tough or hard wood of any of a number of ironwood trees

    同义词： ironwood

  • a small slow-growing deciduous tree of northern Iran having a low domed shape

    同义词： iron tree iron-tree ironwood ironwood tree

  • medium-sized hop hornbeam of eastern North America

    同义词： Eastern hop hornbeam ironwood ironwood tree Ostrya virginiana

以上来源于: WordNet