Definition of lung noun from the Oxford Advanced American Dictionary

      

    lung

     noun
    noun
    NAmE//lʌŋ//
     
     
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  1. 1  either of the two organs in the chest that you use for breathing lung cancer
  2. 2(humorous) She has a fine pair of lungs! (= she can sing or shout loudly)
  3. Idioms
See the Oxford Advanced Learner's Dictionary entry: lung