Definition of directory noun from the Oxford Advanced American Dictionary

     

    directory

     noun
    noun
    NAmE//dəˈrɛktəri//
     
    , NAmE//daɪˈrɛktəri//
     
    (pl. directories)
     
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  1. 1 a book containing lists of information, usually in alphabetical order, for example people's telephone numbers or the names and addresses of businesses in a particular area a telephone/trade directory a directory of restaurants in the city
  2. 2a file containing a group of other files or programs in a computer
See the Oxford Advanced Learner's Dictionary entry: directory