BAR, or BAR-LE-DUC, in geography, a duchy belonging to France, lying north-west of Lorraine, on both sides the river Meuse, whereof Bar-le-duc is the principal town; in 5^{\circ} 15' E. long. and 48^{\circ} 40' N. lat. Bar is also a town of Podolia, in Poland; situated in 28^{\circ} E. long. and 48^{\circ} 20' N. lat.