[1] : The Collaborative International Dictionary of English v.0.48

viewer \view"er\, n.
   1. one who views or examines.
      1913 webster

   2. law a person appointed to inspect highways, fences, or
      the like, and to report upon the same.
      1913 webster

   3. the superintendent of a coal mine. eng.
      1913 webster

[2] : WordNet (r) 2.0

viewer
     n 1: a close observer; someone who looks at something such as an
          exhibition of some kind; "the spectators applauded the
          performance"; "television viewers"; "sky watchers
          discovered a new star" syn: spectator, witness, watcher,
           looker
     2: an optical device for viewing photographic transparencies
see also:
spectator witness watcher looker 

[3] : Moby Thesaurus II by Grady Ward, 1.0

46 moby thesaurus words for "viewer":
   tv-viewer, accepter, acquirer, addressee, audience, auditor,
   beholder, bird-watcher, bystander, consignee, drugstore cowboy,
   eyewitness, gaper, gazer, gazer-on, getter, girl-watcher, goggler,
   hearer, holder, kibitzer, listener, looker, looker-on, observer,
   obtainer, ogler, onlooker, payee, perceiver, percipient, procurer,
   receiver, recipient, seer, sidewalk superintendent, spectator,
   spectatress, spectatrix, taker, televiewer, television-viewer,
   trustee, video-gazer, watcher, witness

[4] : The Free On-line Dictionary of Computing (27 SEP 03)

viewer
     
         a program to allow a file to be read or played but
        not changed.  viewers are often freely distributable, even
        when the editor application is not.  this allows you to create
        files with the editor and make the viewer available to other
        users to view your files, e.g. on a web site.  examples
        include the word and adobe acrobat viewers.
     
        1997-08-29
     
     
see also:
web site 

Viewer >> V Words
Viewer, definition of term: Viewer
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