a county of Germany, in Westphalia, bounded on the north by the bishopric of Osnabrück and Minden, on the east by Lemgow, on the south by the bishopric of Paderborn, and on the west by that of Munster. It belongs to the king of Prussia, and has its name from the castle of Ravensburg. The population amounts to about 81,812.

a free and imperial town of Germany, in Algow, in the circle of Swabia. It is well built, and the public structures are handsome. The inhabitants are partly Protestants and partly papists. It is seated on the river Chenis, in E. Long. 9° 46'. N. Lat. 47° 44'.