城廓

Noun

 * 1) a castle wall, the outer fortification surrounding a castle
 * 2) the space immediately within castle walls, a bailey
 * 3) a fortress, ramparts, structures in place to defend (a castle etc.) against attack
 * 1) the space immediately within castle walls, a bailey
 * 2) a fortress, ramparts, structures in place to defend (a castle etc.) against attack