Definition of sideshow noun from the Oxford Advanced American Dictionary

     

    sideshow

     noun
    noun
    NAmE//ˈsaɪdʃoʊ//
     
     
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  1. 1a separate small show or attraction at a fair or circus where you pay to see a performance or take part in a game
  2. 2an activity or event that is much less important than the main activity or event
See the Oxford Advanced Learner's Dictionary entry: sideshow