Source : Webster's Revised Unabridged Dictionary (1913)

Revolving \Re*volv"ing\, a.
   Making a revolution or revolutions; rotating; -- used also
   figuratively of time, seasons, etc., depending on the
   revolution of the earth.

         But grief returns with the revolving year. --Shelley.

         Revolving seasons, fruitless as they pass. --Cowper.

   {Revolving firearm}. See {Revolver}.

   {Revolving light}, a light or lamp in a lighthouse so
      arranged as to appear and disappear at fixed intervals,
      either by being turned about an axis so as to show light
      only at intervals, or by having its light occasionally
      intercepted by a revolving screen.