The Collaborative International Dictionary of English v.0.48:

Raising \Rais"ing\ (r[=a]z"[i^]ng), n.
   1. The act of lifting, setting up, elevating, exalting,
      producing, or restoring to life.
      [1913 Webster]

   2. Specifically, the operation or work of setting up the
      frame of a building; as, to help at a raising. [U.S.]
      [1913 Webster]

   3. The operation of embossing sheet metal, or of forming it
      into cup-shaped or hollow articles, by hammering,
      stamping, or spinning.
      [1913 Webster]

   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.
      [1913 Webster]