ironwood

名词 ironwood:

1. 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 tree, Mesua ferrea
2. exceptionally tough or hard wood of any of a number of ironwood trees
3. a small slow-growing deciduous tree of northern Iran having a low domed shape
   同义词：iron tree, iron-tree, ironwood tree
4. medium-sized hop hornbeam of eastern North America
   同义词：Eastern hop hornbeam, ironwood tree, Ostrya virginiana

i.ron.wood

n.（名词）
Any of numerous trees, such as the hornbeam and the hop hornbeam, that have very hard wood.
铁木：鹅耳枥和铁木等许多树的任一种，木质坚硬
The wood of any of these trees.
铁木：这些树中任一种的木材