Definition of peacekeeper noun from the Oxford Advanced Learner's Dictionary

     

    peacekeeper

     noun
    noun
    BrE BrE//ˈpiːskiːpə(r)//
     
    ; NAmE NAmE//ˈpiːskiːpər//
     
    Peacekeeping
     
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  1. 1a member of a military force who has been sent to help stop people fighting in a place where war or violence is likely See related entries: Peacekeeping
  2. 2a person who tries to stop people arguing or fighting She's the peacekeeper in that family.
See the Oxford Advanced American Dictionary entry: peacekeeper