NOUN (2)

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;

The Collaborative International Dictionary of English v.0.48:

Poon \Poon\, n. [Canarese ponne.]
   A name for several East Indian, or their wood, used for the
   masts and spars of vessels, as Calophyllum angustifolium,
   Calophyllum inophullum, and Sterculia f[oe]tida; --
   called also peon.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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