1. to furnish (a wall or battlement) with crenels; to provide with a notched or indented top
Usage: often used in architecture and historical contexts; also spelled 'crenelate' or 'crenellate'

Examples

• The medieval castle was crenellated to allow defenders to shoot arrows while remaining protected.
• Architects crenellate fortress walls to create defensive positions along the top.
• The crenellated battlements of the tower are a distinctive feature of Norman architecture.
• They decided to crenellate the outer wall to match the style of the original fortification.
• The crenellated parapet provided both protection and a commanding view of the surrounding landscape.