Definition of out-box noun from the Oxford Advanced American Dictionary

     

    out-box

     noun
    noun
     
    (computing)
     
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  1. 1(in an office) a container on your desk for letters or documents that are waiting to be sent out or passed to someone else
  2. 2the place on a computer where new e-mail messages that you write are stored before you send them compare in-box
See the Oxford Advanced Learner's Dictionary entry: out-box