\De*file"ment\, n. [Cf. F. d['e]filement. See {Defile}] (Mil.) The protection of the interior walls of a fortification from an enfilading fire, as by covering them, or by a high parapet on the exposed side.
\De*file"ment\, n. [From 3d {Defile}.] The act of defiling, or state of being defiled, whether physically or morally; pollution; foulness; dirtiness; uncleanness. Defilements of the flesh. --Hopkins. The chaste can not rake into such filth without danger of defilement. --Addison.