Crenelate (verb)

To provide with battlements, as in medieval fortifications.

Origin:

From the middle english word "crenell" meaning a notch or indentation, and the latin word "crenellare" meaning to notch.

Examples:

1. The castle was crenelated to provide protection for the inhabitants.
2. The wall was crenelated to provide firing positions for archers.
3. The tower was crenelated to provide a defensive barrier.
4. The fortress was crenelated to provide a strong defense.
5. The city wall was crenelated to protect against invaders.