ˈkāˌsmāt, usu -ād.+V noun
( -s )
Etymology: Middle French, from Old Italian casamatta, probably from casa house + matta, feminine of matto mad, crazy, from Latin mattus stupid, drunk — more at casa , mat
1. : a fortified usually masonry position or chamber in which cannon or other guns may be placed to fire through embrasures
2. : an armored enclosure for a gun on a warship and with an embrasure for firing through