ㄊㄨㄥtōngㄕㄤshāngㄎㄡˇkǒuˋàn

  1. 特許外國人通商港埠沿江沿海港口其後內地陸續開放商埠沿用通商港」、商埠」。

treaty port, forced on Qing China by the 19th century Great Powers