The space between merlons in a crenelated battlement.

Alternative form of crenellation

To furnish with crenelles. / To indent; to notch.

To furnish with crenelles. / To indent; to notch.

plural of crenelation

(countable, uncountable) A pattern along the top of a parapet (fortified wall), most often in the form of multiple, regular, rectangular spaces in the top of the wall, through which arrows or other weaponry may be shot, especially as used in medieval European architecture.

plural of crenellation

simple past tense and past participle of crenelate

Having crenellations or battlements / Having a series of square indentations

simple past tense and past participle of crenellate