1. A series of evenly spaced, squared notches cut into the top of a fortified wall or battlement, with solid sections (merlons) between them.
Usage: Also spelled 'crenellation' (British English).; Architectural/historical term.

1. To furnish (a wall or fortification) with crenels; to create a creneled pattern on.
Usage: Present participle of 'crenel'.; Architectural/historical term.

Examples

• The castle's creneling provided defenders with protected positions from which to shoot arrows.
• Medieval architects designed the creneling to allow soldiers to fire weapons while remaining sheltered.
• The fortress walls featured distinctive creneling along their entire length.
• They were creneling the new fortification to match the style of the older structures.
• The creneling on the tower's top edge is still visible after five centuries.