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



    BrE BrE//æp//
    ; NAmE NAmE//æp//
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  1. 1a piece of software that you can download to a device such as a smartphone or tablet (4), for example to look up information or to play a game Have you got the dictionary app on your phone? see also in-app
  2. 2application (5)
See the Oxford Advanced American Dictionary entry: app