noun

1. A gap or opening made by breaking or battering, as in a wall, fortification or levee / embankment; the space between the parts of a solid body rent by violence

2. A breaking up of amicable relations, a falling-out.

3. A breaking of waters, as over a vessel or a coastal defence; the waters themselves

   “A clear breach is when the waves roll over the vessel without breaking. A clean breach is when everything on deck is swept away.”

Synonyms: break, break, fissure, rupture, gap, rift, rupture, surf

verb

1. To make a breach in.

   “They breached the outer wall, but not the main one.”

2. To violate or break.

3. (of the sea) To break into a ship or into a coastal defence.