Source : Webster's Revised Unabridged Dictionary (1913)

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},
   {C. inophullum}, and {Sterculia f[oe]tida}; -- called also
   {peon}.