Turret

tur′et, n. a small tower on a building and rising above it: a movable building containing soldiers, engines, ., used in medieval sieges: a tower, often revolving, for offensive purposes, on land and water: the raised portion above an American railroad car, for ventilation, .— adj. Turr′eted , furnished with turrets: formed like a tower.— ns. Turr′et-gun , a gun designed for use in a revolving turret; Turr′et-ship , an ironclad ship-of-war, whose guns are placed in one or more revolving turrets placed on deck.— adjs. Turric′ulate , -d , having small turrets. [O. Fr. touret (Fr. tourelle ).]