a large and populous town in Poland, in Lithuania, and capital of a duchy of the same name; famous for three battles gained here by Constantine duke of Ostrog over the Tartars, in the reign of Sigismund I. It is seated on the river Slucz, 72 miles south-east of Minsk, and 70 south of Novogrodek. E. Long. 27° 44'. N. Lat. 53° 2'.