Source : Webster's Revised Unabridged Dictionary (1913)

Blackwood \Black"wood\, n.
   A name given to several dark-colored timbers. The East Indian
   black wood is from the tree {Dalbergia latifolia}. --Balfour.

Source : WordNet®

Dalbergia latifolia
     n : East Indian tree having a useful dark purple wood [syn: {Indian
         blackwood}, {East Indian rosewood}, {East India rosewood},
          {Indian rosewood}]