江口 Traditional form: 江口 Pinyin (reading): Jiāngkǒu Definitions: see 江口縣/江口县 ( Jiāngkǒu Xiàn) Characters: 江 - large river; the Yangtze; surname 口 - mouth; entrance, gate, opening Traditional characters: 江 - large river; the Yangtze; surname 口 - mouth; entrance, gate, opening