Definition of muffler noun from the Oxford Advanced American Dictionary

     

    muffler

     noun
    noun
    NAmE//ˈmʌflər//
     
     
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  1. 1(old-fashioned) a thick piece of cloth worn around the neck for warmth synonym scarf
  2. 2a device that is fixed to the exhaust of a vehicle in order to reduce the amount of noise that the engine makes
See the Oxford Advanced Learner's Dictionary entry: muffler