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3 definitions found
 for download
From WordNet (r) 3.0 (2006) :

      v 1: transfer a file or program from a central computer to a
           smaller computer or to a computer at a remote location
           [ant: upload]

From The Jargon File (version 4.4.7, 29 Dec 2003) :

      To transfer data or (esp.) code from a far-away system (especially a larger
      host system) over a digital communications link to a nearby system
      (especially a smaller client system. Oppose upload.
      Historical use of these terms was at one time associated with transfers
      from large timesharing machines to PCs or peripherals (download) and
      vice-versa (upload). The modern usage relative to the speaker (rather than
      as an indicator of the size and role of the machines) evolved as machine
      categories lost most of their former functional importance.

From The Free On-line Dictionary of Computing (30 December 2018) :

      To transfer data from one computer to another.
     Downloading usually refers to transfer from a larger "host"
     system (especially a server or mainframe) to a smaller
     "client" system, especially a microcomputer or specialised
     peripheral, and "{upload" usually means from small to large.
     Others hold that, technically, download means "receive" and
     upload means "send", irrespective of the size of the systems
     Note that in communications between ground and space,
     space-to-earth transmission is always "down" and the reverse
     "up", regardless of size.  So far the in-space machines have
     invariably been smaller; thus the upload/download distinction
     has been reversed from its usual sense.
     [{Jargon File]

Contact=webmaster@dict.org Specification=RFC 2229