poon
  胡桐
  Poon n.  A name for several East Indian, or their wood, used for the masts and spars of vessels, as Calophyllum angustifolium, Calophyllum inophullum, and Sterculia fœtida; -- called also peon.
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  poon
       n 1: wood of any poon tree; used for masts and spars
       2: any of several East Indian trees of the genus Calophyllum
          having shiny leathery leaves and lightweight hard wood