Definitions

1. noun

A parapet or wall, especially one at the top of a castle or fortification, with crenellations.

“The battlements of the ancient castle were a popular tourist attraction.”

2. noun

The crenellations or indentations in a parapet or wall.

“The battlements of the bridge provided a unique architectural feature.”

3. verb

To reinforce or strengthen something, especially a wall or a position.

“The army battlemented the defenses to prepare for the enemy attack.”