American English

Definition of switchback noun from the Oxford Advanced American Dictionary

     

    switchback

     noun
    noun
    NAmE//ˈswɪtʃbæk//
     
     
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  1. 1 a road or railroad track that has many sharp bends as it goes up a steep hill, or one that rises and falls steeply many times
  2. 2 a 180 degree bend in a road that is going up a steep hill
See the Oxford Advanced Learner's Dictionary entry: switchback