云贵川 Traditional form: 雲貴川 Pinyin (reading): Yún Guì Chuān Definitions: Yunnan, Guizhou and Sichuan Characters: 云 - cloud; to say, to speak 贵 - expensive, costly; valuable, precious 川 - stream, river Traditional characters: 雲 - cloud; to say, to speak 貴 - expensive, costly; valuable, precious 川 - stream, river