Search the dictionary A Chinese word or character, or English Search 6 entries. gǔjiāo 股交 intercrural sex gùjiāo 故交 former acquaintance gǔjiāoshì 古交市 Gujiao, a county-level city in Taiyuan City 太原市[Tai4 yuan2 Shi4], Shanxi gǔjiāoyuán 骨胶原 collagen (protein) gǔjiāoyuán 骨膠原 collagen (protein) gūgūjiào 咕咕叫 sound made by an empty stomach