Definition of casemate in English:


Syllabification: case·mate
Pronunciation: /ˈkāsˌmāt


  • 1A small room in the thickness of the wall of a fortress, with embrasures from which guns or missiles can be fired.
    More example sentences
    • He endorsed the construction of works with high stone or brick walls, the guns arranged in multilevel tiers of internal chambers called casemates, and firing done through iron-shuttered embrasures piercing the facade.
    • These vaulted casemates form the main walls of the fort and support the wide gundeck, the roof of the Castillo.
    • Guns usually stood on a flat terreplein, shooting over a wide earth parapet which was intended to absorb incoming fire, although they might also fire through splayed embrasures, or be housed in vaulted casemates on a lower storey.
  • 1.1An armored enclosure for guns on a warship.
    More example sentences
    • Following the deck above the turret back out to daylight, the first two of the secondary 5.9in guns are accessible, with the armoured casemate broken open to give a view of the breech mechanisms.


mid 16th century: from French, from Italian casamatta, perhaps from Greek khasma, khasmat- (see chasm).

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