an empire founded in the 12th century by Genghis Khan, which reached its greatest territorial extent in the 13th century, encompassing the larger part of Asia and extending westward to the Dnieper River in eastern Europe.
MONGOL EMPIRE
Meaning of MONGOL EMPIRE in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012