turret
131lens turret — /ˈlɛnz tʌrət/ (say lenz turuht) noun a revolving device on a camera bearing two or more lenses, any one of which can quickly be turned into position for shooting …
132suspension turret web — A reinforcement supporting the MacPherson strut at the lower side of the strut tower panel; this allows the strut to rest against the top strut mounting from below …