古交 Traditional form: 古交 Pinyin (reading): Gǔjiāo Definitions: Gujiao, county-level city in Taiyuan 太原 ( Tàiyuán), Shanxi Characters: 古 - old, classic, ancient 交 - to connect; to deliver, to exchange; to intersect; to mix Traditional characters: 古 - old, classic, ancient 交 - to connect; to deliver, to exchange; to intersect; to mix