Definitions of ironwood
  1. noun
    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
    synonyms: Mesua ferrea, ironwood tree, rose chestnut
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    type of:
    a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
  2. noun
    a small slow-growing deciduous tree of northern Iran having a low domed shape
    synonyms: iron tree, iron-tree, ironwood tree
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    type of:
    angiospermous tree, flowering tree
    any tree having seeds and ovules contained in the ovary
  3. noun
    medium-sized hop hornbeam of eastern North America
    synonyms: Eastern hop hornbeam, Ostrya virginiana, ironwood tree
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    type of:
    hop hornbeam
    any of several trees resembling hornbeams with fruiting clusters resembling hops
  4. noun
    exceptionally tough or hard wood of any of a number of ironwood trees
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    type of:
    the hard fibrous lignified substance under the bark of trees
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