an ambiguity (especially one in the text of a law or contract) that makes it possible to evade a difficulty or obligation
source: WordNet 3.0
a small hole in a fortified wall; for observation or discharging weapons
source: WordNet 3.0
A small opening, as in the walls of fortification, or in the bulkhead of a ship, through which small arms or other weapons may be discharged at an enemy.
