Bulwark

bul·wark (blwrk, -wôrk, bl-) n.'''1. A wall or embankment raised as a defensive fortification; a rampart.2. Something serving as a defense or safeguard: "We have seen the necessity of the Union, as our bulwark against foreign danger" (James Madison).3. A breakwater.4. '''The part of a ship's side that is above the upper deck. Often used in the plural.tr.v. bul·warked, bul·wark·ing, bul·warks'''1. To fortify with a wall, embankment, or rampart.2. '''To provide defense or protection for. ---See also USS Bulwark, Bulwark Castle and Planet Bulwark