Windowing

from The Collaborative International Dictionary of English v.0.48

Window \Win"dow\, v. t. [imp. & p. p. {Windowed}; p. pr. & vb.
   n. {Windowing}.]
   [1913 Webster]
   1. To furnish with windows.
      [1913 Webster]

   2. To place at or in a window. [R.]
      [1913 Webster]

            Wouldst thou be windowed in great Rome and see
            Thy master thus with pleach'd arms, bending down
            His corrigible neck?                  --Shak.
      [1913 Webster]

from The Free On-line Dictionary of Computing (8 July 2008)

window system
windowing
windowing system

   Software which allows a {workstation}'s screen to be divided
   into rectangular areas which act like a separate input/output
   devices under the control of different {application} programs.
   This gives the user the ability to see the output of several
   processes at once and to choose which one will receive input
   by selecting its window, usually by pointing at it with a
   {mouse}.

   Examples are the {X Window System}, and proprietary systems on
   the {Macintosh} and {NeXT}, {NeWS} on {Suns} and {RISC OS} on
   the {Archimedes}.  See also {WIMP}.