The Collaborative International Dictionary of English v.0.48:

marblewood \marblewood\ n.
   1. A hard marbled wood.
      [WordNet 1.5]

   2. A large Asiatic tree (Diospyros kurzii) having hard
      marbled zebrawood.

   Syn: Andaman marble, Andaman marble, Diospyros kurzii.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

marblewood
    n 1: hard marbled wood [syn: marblewood, marble-wood]
    2: large Asiatic tree having hard marbled zebrawood [syn:
       marblewood, marble-wood, Andaman marble, Diospyros
       kurzii]