Source : Webster's Revised Unabridged Dictionary (1913)

Ebonize \Eb"on*ize\, v. t. [imp. & p. p. {Ebonized}; p. pr. &
   vb. n. {Ebonizing}.]
   To make black, or stain black, in imitation of ebony; as, to
   ebonize wood.

Source : WordNet®

ebonize
     v : stain black to make it look like ebony [syn: {ebonise}]