American English

Definition of phlegm noun from the Oxford Advanced American Dictionary

     

    phlegm

     noun
    noun
    NAmE//flɛm//
     
    [uncountable]
     
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  1. 1the thick substance that forms in the nose and throat, especially when you have a cold
  2. 2the ability to remain calm in a situation that is difficult or upsetting Phlegm and perseverance carried them through many troubles.
See the Oxford Advanced Learner's Dictionary entry: phlegm