courierglossary / COURIER courier. A messenger, esp. one who delivers parcels, packages, and the like. • In international law, the term denotes a messenger duly authorized by a sending state to deliver a diplomatic pouch. 词条贡献者 资深译员Bryan,毕业于美国一流的翻译学院,专注翻译各种与贸易与海关有关的法律文件。