A river of southern China, flowing from Guangzhou (Canton) southwards to the South China Sea and forming part of the delta of the Xi River. Its lower reaches widen to form the Pearl River estuary, the inlet between Hong Kong and Macao.
1A river in southern China that flows from Guangzhou (Canton) south to the South China Sea and forms part of the delta of the Xi River. Its lower reaches widen to form the Pearl River estuary, an inlet between Hong Kong and Macao.