Definition of filling noun from the Oxford Advanced American Dictionary

     

    filling

     noun
    noun
    NAmE//ˈfɪlɪŋ//
     
     
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  1. 1[countable] a small amount of metal or other material used to fill a hole in a tooth I had to have two fillings at the dentist's today. One of my fillings came out this morning.
  2. 2 [countable, uncountable] food put inside a sandwich, cake, pie, etc. a pie with a mixed berry filling a wide range of sandwich fillings
  3. 3 [countable, uncountable] soft material used to fill cushions, pillows, etc.
See the Oxford Advanced Learner's Dictionary entry: filling