Casing
Pronunciation : Cas"ing
Part of Speech : n.
Definition : 1. The act or process of inclosing in, or covering with, a case or thin substance, as plaster, boards, etc.
2. An outside covering, for protection or ornament, or to precent the radiation of heat.
3. An inclosing frame; esp. the framework around a door or a window. See Case, n., 4.
Source : Webster's Unabridged Dictionary, 1913