Definition of double-decker noun from the Oxford Advanced Learner's Dictionary

     

    double-decker

     noun
    noun
    BrE
     
    ; NAmE
     
    Train and bus travel
     
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  1. 1 a bus with two floors, one on top of the other compare single-decker See related entries: Train and bus travel
  2. 2(North American English) a sandwich made from three pieces of bread with two layers of food between them
See the Oxford Advanced American Dictionary entry: double-decker