What is embrasure?

  • (noun): An opening (in a wall or ship or armored vehicle) for firing through.
    Synonyms: port, porthole

Embrasure

In military architecture, an embrasure is the opening in a crenellation or battlement between the two raised solid portions or merlons, sometimes called a crenel or crenelle. In domestic architecture this refers to the outward splay of a window or arrow slit on the inside.

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Some articles on embrasure:

Ouvrage Valdeblore - Description
... Block 1 (entry) one machine gun embrasure ... Block 2 (infantry) one machine gun embrasure ... Block 3 (infantry) one twin heavy machine gun embrasure and one heavy machine gun/47mm anti-tank gun embrasure ...
Embrasure - Variations
... A distinction was made between horizontal and vertical embrasures or loopholes, depending on the orientation of the slit formed in the outside wall ...
Ouvrage Eth - Description
... cloches (GFM-B), one mixed-arms cloche (AM), one automatic rifle embrasure and one and one machine gun/47mm anti-tank gun (JM/AC47) embrasure ... Block 2 infantry/entrance block with one GFM cloche, one JM embrasure, one (JM/AC47) embrasure, one grenade launcher cloche (LG) and one retractable mixed arms AM/50mm mortar turret ... with Eth, as well as a casemate Casemate de Jenlain Single block with one JM/AC47 embrasure, one JM embrasure, two AM cloches and one GFM-B cloche ...
Ouvrage Col Du Caire Gros - Description
... Block 2 (infantry) one machine gun embrasure, protects Block 1 ... Block 4 (unbuilt) one machine gun embrasure and one twin heavy machine gun embrasure planned ...
Embrasure (dentistry)
... In dentistry, embrasures are a V-shaped flare surrounding the proximal contact areas of a tooth ... (for molar teeth) or incisal (for incisors) embrasure ... There is generally no observable cervical embrasure as this area is filled with interdental papilla ...