Definition of turrets:
(n) :
(military) An armoured, rotating gun installation on a fort, ship, aircraft, or armoured fighting vehicle.
(n) :
(architecture) A little tower, frequently a merely ornamental structure at one of the corners of a building or castle.
(n) :
(electronics) A tower-like solder post on a turret board (a circuit board with posts instead of holes).
(n) :
(rail transport) The elevated central portion of the roof of a passenger car, with sides that are pierced for light and ventilation.
(n) :
(machining, manufacturing) A turret head.
(n) :
(gambling) The central conical ornament atop a spinning roulette wheel.