a city in W Germany, at the junction of the Rhine and Ruhr rivers: the largest river port in Europe; formed 1929 from the cities of Duisburg and Hamborn. 525,200.
Duis·burg (dōōs'bûrg', dōōz'-, düs'bŏŏrk') A city of west-central Germany at the confluence of the Rhine and Ruhr rivers. It is a major inland port and a steel-producing center. Population: 499,000.