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

      

    selector

     noun
    noun
    BrE BrE//sɪˈlektə(r)//
     
    ; NAmE NAmE//sɪˈlektər//
     
     
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  1. 1(British English) a person who chooses the members of a particular sports team The Welsh selectors have named the team for next week’s international.
  2. 2a device in an engine, a piece of machinery, etc. that allows you to choose a particular function a gear selector a selector switch
See the Oxford Advanced American Dictionary entry: selector