Definition of reflector noun from the Oxford Advanced American Dictionary

     

    reflector

     noun
    noun
    NAmE//rɪˈflɛktər//
     
     
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  1. 1a surface that reflects light
  2. 2a small piece of special glass or plastic that is put on a bicycle, or on clothing, so that it can be seen at night when light shines on it
See the Oxford Advanced Learner's Dictionary entry: reflector