Zinne — meaning in English

English meaning

battlement noun A wall built with regular gaps at the top, from behind which defenders could shoot at attackers.
merlon noun A merlon is one of the upright sections between the gaps of a battlement, originally providing cover for archers.

Zinne is used for these senses in English:

battlement In fortification: an indented parapet, formed by a series of rising members called cops or merlons, separated by openings called crenelles or embrasures, the soldier sheltering himself behind the merlon while he fires through the embrasure or through a loophole in the battlement.
crenellation (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.
merlon (architectural element, military, historical) Any of the upright projections between the embrasures of a battlement, originally for archers to shield behind while shooting arrows over the embrasures, or through loopholes in the merlons.

noun A wall built with regular gaps at the top, from behind which defenders could shoot at attackers.
noun A tall wall built to defend a place.
noun (literary) The high roof of the sky.