1. Formerly Lüda.
an urban municipality in S Liaoning province, in NE China, on the southern tip of the Liaodong peninsula: comprises the old cities of Dalian and Lüshun, and five adjacent counties. About 1300 sq. mi. (3367 sq. km).
2. Formerly Japanese, Dairen; Russian, Dalny.
an old city in S Liaoning province, in NE China: one of the finest harbors on the E Asian coast; now part of the urban area of Dalian.