Definition of PO abbreviation from the Oxford Advanced Learner's Dictionary

     

    PO

     abbreviation
    abbreviation
    BrE BrE//ˌpiː ˈəʊ//
     
    ; NAmE NAmE//ˌpiː ˈoʊ//
     
     
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  1. 1the Post Office see also PO box
  2. 2postal order
See the Oxford Advanced American Dictionary entry: PO