DEVENTER, a fortified town of Holland, province of Overijssel, on the right bank of the Yssel, where that river is joined by the Schipbeek, 18 miles S. by E. of Zwolle. This town is strongly fortified, and has a handsome town-house, a cathedral, seven churches, an atheneum, college with an extensive library and an observatory, and a large iron foundry. The chief manufactures are linen, carpets, hosiery, and iron ware; and it has a considerable trade in dairy and agricultural produce and in cattle. (Pop. 1850) 15,004.