Definition of expedition noun from the Oxford Advanced American Dictionary

     

    expedition

     noun
    noun
    NAmE//ˌɛkspəˈdɪʃn//
     
     
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  1. 1 an organized trip with a particular purpose, especially to find out about a place that is not well known to plan/lead/go on an expedition to the North Pole
  2. 2the people who go on an expedition Three members of the Everest expedition were killed.
  3. 3(sometimes humorous) a short trip that you make when you want or need something a shopping expedition Thesaurustripjourney tour commute expedition excursion outingThese are all words for an act of traveling to a place.trip an act of traveling from one place to another, and usually back again:a business trip a five-minute trip by taxijourney an act of traveling from one place to another, especially when they are far apart:a long and difficult journey across the mountainstrip or journey?A trip usually involves you going to a place and back again; a journey is usually one-way. A trip is often shorter than a journey, although it does not have to be:a trip to New York a round-the-world trip. It is often short in time, even if it is long in distance. Journey is more often used when the traveling takes a long time and is difficult.tour a journey made for pleasure during which several different places are visited:a tour of Californiacommute the regular trip that a person makes when they travel to work and back home again:a two-hour commute into downtown Washingtonexpedition an organized journey with a particular purpose, especially to find out about a place that is not well known:the first expedition to the South Poleexcursion a short trip made for pleasure, especially one that has been organized for a group of people:We went on an all-day excursion to the island.outing a short trip made for pleasure or education, usually with a group of people and lasting no more than a day:My project team organized an afternoon outing to celebrate.Patterns an overseas trip/journey/tour/expedition a bus/train trip/journey/tour to go on a(n) trip/journey/tour/expedition/excursion/outing to set out/off on a(n) trip/journey/tour/expedition/excursion to take a(n) trip/journey/expedition/excursion
See the Oxford Advanced Learner's Dictionary entry: expedition