Embrasure

French-English Dictionary of Military Terms · 1918 · p. 3

Embrasure. Gun-port (of ship’s casemate). Gun opening in a shield. Opening in wall (e.g., for window),— Embrasure minima. Minimum port (muzzle-pivoted gun). Coup d’embrasure. Direct hit on or in an embrasure. [p.211]