Battlement (noun)

A defensive wall or parapet with alternating solid portions (merlons) and gaps (crenels) for shooting through, typically along the top of a castle or wall.

Origin:

Middle english: from old french bataillier, from batailler 'to fortify', from bataille 'battle'.

Examples:

1. The castle was surrounded by high battlement walls, providing protection for its inhabitants.
2. The soldiers patrolled the battlement, keeping a watchful eye on the surrounding landscape.
3. The battlement offered a panoramic view of the surrounding countryside.
4. The attackers tried to scale the battlement, but were met with a barrage of arrows and rocks.
5. The battlement was built with stones carefully selected for their strength and durability.