Definition of monsoon noun from the Oxford Advanced American Dictionary

     

    monsoon

     noun
    noun
    NAmE//ˌmɑnˈsun//
     
     
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  1. 1a period of heavy rain in summer in S. Asia; the rain that falls during this period
  2. 2a wind in S. Asia that blows from the southwest in summer, bringing rain, and the northeast in winter
See the Oxford Advanced Learner's Dictionary entry: monsoon