a large kingdom of Asia, 1200 miles long, and almost as much broad; situated between 45 and 67° of E. long, and between 25° and 45° of N. lat. bounded by Caucasus Tartary, the Caspian Sea, and the river Oxus, on the north; by India on the east; by the Indian Ocean, and the gulfs of Ormus and Persia, on the south; and by the Turkish empire on the west.