n. The act of incrusting; the act of covering or lining with any foreign substance; the state of being incrusted.n. A crust or coat of anything on the surface of a body; a covering, coating, or scale, as of mineral substances deposited by a spring or stream, or by the water in a steam-boiler; an efflorescence, as of salt or soda on the surface of the ground.n. An inlaying of anything, as a plaque, tile, lacquer, veneer, mosaic, or the like, into or upon the surface, as of a cabinet, mantelpiece, etc.n. An incrusted or inlaid object or substance.