[ob-last, -lahst; Russian aw-bluh st]
- (in Russia and the Soviet Union) an administrative division corresponding to an autonomous province.
- region; province.
Origin of oblast
1885–90; < Russian óblast', Old Russian oblastĭ, equivalent to ob- against, on + vlastĭ authority, power; see volost
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an administrative division of the constituent republics of Russia
- an administrative and territorial division in some republics of the former Soviet Union
from Russian, from Old Slavonic, vlast government