Hissar, 1, a district (776) in the Punjab, India; for the most part sandy, yet in rainy years produces good crops of rice, barley, &c., and is noted for its white cattle; the capital (14), bearing the same name, is situated on the Western Jumna Canal, 102 m. W. of Delhi. 2, Also a district in Central Asia, a dependency of the Khan of Bokhara lying N. of the Oxus River, and separated from Bokhara by a branch of the Thian Shan Mountains; has a fertile soil, and exports corn, sheep, &c., to Bokhara.