大通 Traditional form: 大通 Pinyin (reading): Dàtōng Definitions: see 大通區/大通区 ( Dàtōng Qū) see 大通回族土族自治縣/大通回族土族自治县 ( Dàtōng Huízú Tǔzú Zìzhìxiàn) Characters: 大 - big, great, vast, high, deep 通 - to pass through, to open, to connect; to communicate; common Traditional characters: 大 - big, great, vast, high, deep 通 - to pass through, to open, to connect; to communicate; common