Definition of post office noun from the Oxford Advanced Learner's Dictionary


    post office

    BrE BrE//ˈpəʊst ɒfɪs//
    ; NAmE NAmE//ˈpoʊst ɔːfɪs//
    , NAmE//ˈpoʊst ɑːfɪs//
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  1. 1  [countable] a place where you can buy stamps, send letters, etc. Where's the main post office? You can buy your stamps at the post office. a post office counter
  2. 2  the Post Office [singular] (abbreviation PO) the national organization in many countries that is responsible for collecting and delivering letters, etc. He works for the Post Office. Culture In Britain the Post Office is part of the Royal Mail Group plc. It has many branches, from large post offices in cities to sub-post offices in small towns, which are sometimes part of a shop selling other goods. British people use their local post office to send letters and parcels, and also to pay bills, receive benefits and get official documents. see also postal service.
  3. 3(North American English) (British English postman’s knock) [uncountable] a children’s game in which imaginary letters are exchanged for kisses
See the Oxford Advanced American Dictionary entry: post office