Having indentations like a battlement.

Having the edge broken like battlements; -- said of a bearing such as a fess, bend, or the like.

indicative of he cut-out shape of the crenels of a fortress or castle.

Embrasure

a usage for the decorative adaptation of the alternating merlons and embrasures on the parapet or breastwork of a rampart walk.

Having been the place of battle; as, an embattled plain or field.

prepared for battle; "an embattled city"

beset with attackers or controversy or conflict; "embattled troops"; "an embattled governor"