- an armored enclosure for guns in a warship.
- a vault or chamber, especially in a rampart, with embrasures for artillery.
Origin of casemate
1565–75; < Middle French < Old Italian casamatta, alteration (by folk etymology) of Greek chásmata embrasures, literally, openings, plural of chásma chasm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for casemate
Two days afterwards he found himself in a casemate of the fort of Bicetre.
He had felt hungry in the casemate, and the pangs of hunger had never since left him.
It mounts fifteen guns on the top, and fifteen guns in casemate.The Life of Gordon, Volume I
Demetrius Charles Boulger
It was with some emotion that I reached the casemate in which Mr. Davis was confined.Destruction and Reconstruction:
A casemate of iron plates has been provided for the gunners.The Civil War Through the Camera
Henry W. (Henry William) Elson
- an armoured compartment in a ship or fortification in which guns are mounted
C16: from French, from Italian casamatta, perhaps from Greek khasmata apertures, plural of khasma chasm