Source : Webster's Revised Unabridged Dictionary (1913)

Staging \Sta"ging\, n.
   A structure of posts and boards for supporting workmen, etc.,
   as in building.

   2. The business of running stagecoaches; also, the act of
      journeying in stagecoaches.

Source : WordNet®

staging
     n 1: the production of a drama on the stage [syn: {theatrical
          production}]
     2: a system of scaffolds [syn: {scaffolding}]
     3: travel by stagecoach
     4: getting rid of a stage of a multistage rocket