1. one of the open spaces between the merlons of a battlement on a castle or fortified wall
Usage: architecture; fortification

1. to furnish with battlements having crenelles
Usage: architecture; rare

Examples

• The archer aimed through the narrow crenelle in the castle wall.
• Medieval defenders would shoot arrows from behind the safety of each crenelle.
• The restoration team carefully rebuilt each damaged crenelle on the fortress.
• Sunlight streamed through the crenelles, casting shadows on the courtyard below.
• The mason was hired to crenelle the new defensive wall.
• Workers began to crenelle the tower’s parapet for historical accuracy.