Source : Webster's Revised Unabridged Dictionary (1913)

Tartary \Tar"ta*ry\, n.
   Tartarus. [Obs.] --Spenser.

Source : WordNet®

Tartary
     n : the vast geographical region of Europe and Asia that was
         controlled by the Mongols in the 13th and 14th centuries;
         "under Ghengis Khan Tartary extended as far east as the
         Pacific Ocean" [syn: {Tatary}]