Definitions

1. verb

to provide with crenellations or to cut out crenellations in something, especially a wall or a parapet

“The medieval castle was crenelated to provide a defensive position.”

2. verb

to cut out or remove something, especially a part of a wall or a parapet, to form crenellations

“The stonemasons crenelated the top of the wall to allow for better visibility.”

3. noun

a wall or a parapet with crenellations

“The crenelate battlements of the castle offered a clear view of the surrounding countryside.”