Source : Webster's Revised Unabridged Dictionary (1913)

Steppe \Steppe\, n. [From Russ. stepe, through G. or F. steppe.]
   One of the vast plains in Southeastern Europe and in Asia,
   generally elevated, and free from wood, analogous to many of
   the prairies in Western North America. See {Savanna}.

   {Steppe murrain}. (Far.) See {Rinderpest}.

Source : WordNet®

steppe
     n : extensive plain without trees (associated with eastern
         Russia and Siberia)