castle wall

• rampartFortified defensive wall
• battlementToothed fortress wall crown
• fortressHeavily defended military structure
• turretProtruding fortified structure
• moatDefensive water ditch

parapet · stone · siege · tower · merlon · keep · stronghold · defense · archer · crenellation · medieval · bastion · ivy · mortar · ancient · guard · fortification · sentry

• castle partsmoat, keep, drawbridge, battlement, tower
• defenseswall, walls, fence, gate, barrier
• fortificationsfort, fortress, fortresses, citadel, citadels
• logic puzzlessudoku, skyscraper, tapa, cave, corral
• defensive wallsrampart, parapet, battlement, bulwark, bastion
• medieval armsswords, shields, axes, spears, bows