DuckCorp Dico

Found one definition

1.                 From 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