BREACH
, in Fortification, a gap or opening made in any part of the works of a town, by the cannon or mines of the besiegers, with intent to storm or attack the place.
BREAKING Ground, in Military Affairs, is beginning the works for carrying on the siege of a place; more especially the beginning to dig trenches, or approaches.
BREECH of a Gun, the hinder part, from the cascabel to the lower part of the bore.