合川 Traditional form: 合川 Pinyin (reading): Héchuān Definitions: Hechuan, a district of Chongqing 重慶/重庆 ( Chongqíng) Characters: 合 - to combine, to join, to unite; to gather 川 - stream, river Traditional characters: 合 - to combine, to join, to unite; to gather 川 - stream, river