() [] a person or company whose job is to take packages or important papers somewhere（递送包裹或重要文件的）信使，专递员，专递公司◆We sent the documents by courier.我们派了信使送这些文件。◆They operate a same-day courier service.他们经营同日专递服务。a person who is employed by a travel company to give advice and help to a group of tourists on holiday（旅游公司的）导游