embrasure

Meanings

Plural: embrasures

Noun

• an opening (in a wall or ship or armored vehicle) for firing through
• Any of the indentations between the merlons of a battlement; an opening in a wall or parapet through which ordnance can be fired.
• Any small protected space.
• The slanting indentation in a wall for a door or window, such that the space is larger on the inside than the outside.
• An embrace.

Synonyms

port, porthole