Source : Webster's Revised Unabridged Dictionary (1913)

Working \Work"ing\,
   a & n. from {Work}.

         The word must cousin be to the working.  --Chaucer.

   {Working beam}. See {Beam}, n. 10.

   {Working class}, the class of people who are engaged in
      manual labor, or are dependent upon it for support;
      laborers; operatives; -- chiefly used in the plural.

   {Working day}. See under {Day}, n.

   {Working drawing}, a drawing, as of the whole or part of a
      structure, machine, etc., made to a scale, and intended to
      be followed by the workmen. Working drawings are either
      general or detail drawings.

   {Working house}, a house where work is performed; a
      workhouse.

   {Working point} (Mach.), that part of a machine at which the
      effect required; the point where the useful work is done.