pre•castPronunciation: (prē-kast', -käst'), [key]
—v., -cast, -cast•ing,
to cast (a concrete block or slab, etc.) in a place other than where it is to be installed in a structure.
(of a building or section) cast before being transported to the site of installation: a precast concrete roof.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.