Definition of calendar month noun from the Oxford Advanced Learner's Dictionary

     

    calendar month

     noun
    noun
    BrE
     
    ; NAmE
     
    (specialist)
     
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  1. 1one of the twelve months of the year compare lunar month
  2. 2a period of time from a particular date in one month to the same date in the next one
See the Oxford Advanced American Dictionary entry: calendar month