Source : Webster's Revised Unabridged Dictionary (1913)

   3. The operation of embossing sheet metal, or of forming it
      into cup-shaped or hollow articles, by hammering,
      stamping, or spinning.

   {Raising bee}, a bee for raising the frame of a building. See
      {Bee}, n., 2. [U.S.] --W. Irving.

   {Raising hammer}, a hammer with a rounded face, used in
      raising sheet metal.

   {Raising plate} (Carp.), the plate, or longitudinal timber,
      on which a roof is raised and rests.