KOSLOW, a city of the Russian province Tambov, the capital of a circle of the same name, on the river Woronezh. It contains three wooden and five stone churches, a convent, and 1237 houses, with 8060 inhabitants, who trade in salted fish, hides, tallow, and other produce of the soil. Long. 40. 12. E. Lat. 54. 13. N.