amur

noun

1. a river in E Asia, forming most of the boundary between N Manchuria and the SE Russian Federation, flowing into the Sea of Okhotsk. About 2700 miles (4350 km) long.

noun

1. a river in NE Asia, rising in N Mongolia as the Argun and flowing southeast, then northeast to the Sea of Okhotsk: forms the boundary between Manchuria and Russia. Length: about 4350 km (2700 miles)Modern Chinese name: Heilong Jiang