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Definition of autumn noun from the Oxford Advanced American Dictionary

     

    autumn

     noun
    noun
    NAmE//ˈɔt̮əm//
     
     
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  1. 1  [uncountable, countable] the season of the year between summer and winter, when leaves change color and the weather becomes colder synonym fall in early/late autumn autumn colors/leaves/air an autumn walk in the countryside
  2. 2[singular] the time in someone's life that follows the period when they were strongest or most successful He was in the autumn of his brilliant career. the autumn of life (= when you are old)
See the Oxford Advanced Learner's Dictionary entry: autumn

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