Defilement /(?)/

De·file·ment

Defilement

n.
  1. 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. (Mil.)

Defilement

n.
  1. 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.