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