DictionaryembrasureDefensive opening
noun

embrasure

An opening in a fortified wall through which weapons can be fired.

A cannon points through an embrasure in the fortress wall.

Etymology

The French architectural noun names an opening or the splayed space around it. Its military use identifies an opening that lets a weapon fire through a protective wall.

More examples

  • Archers shoot through the embrasures without leaving the protection of the walls.
  • The soldier watches the approaching troops through an embrasure.
  • Each embrasure gives the defenders a clear line of fire.

Forms

embrasure · embrasures

Similar words

loophole
Usually a narrow firing slit, especially for small arms.
gunport
An opening for a gun, often in a ship's side.