An infantry turret
A turret was essentially a platform for weaponry, designed to rotate and angle, which provided multidirectional firing capability. These were often installed on various vehicles, starfighters, and also starships. Among the weapons commonly found on turrets were laser cannons as well as other forms of projectile-based cannons. A hoverturret utilized repulsorlift technology for propulsion.
Typically, tanks, vehicles resembling tanks, and walkers featured their primary armament on a rotating turret, though smaller, secondary turrets could also be present on the sides. Examples of these include the Armored Assault Tank, the Defoliator Deployment Tank, and the All Terrain Tactical Enforcer. Additional ground vehicles equipped with turrets were the Flash speeder, the Imperial Troop Transport, and the WLO-5 battle tank.
Within the realm of starfighters and airborne vehicles, the droid gunship, the Republic attack gunship, and the Phantom were examples of turret-equipped craft.
Concerning starships, those incorporating turrets included the Republic frigate, the Consular-class space cruiser, Merchant One, the Ghost, and the Phoenix.