a small tower that projects from the wall of a building, esp a medieval castle
2.
a.
a self-contained structure, capable of rotation, in which weapons are mounted, esp in tanks and warships
b.
a similar structure on an aircraft that houses one or more guns and sometimes a gunner
3.
a tall wooden tower on wheels used formerly by besiegers to scale the walls of a fortress
4.
(on a machine tool) a turret-like steel structure with tools projecting radially that can be indexed round to select or to bring each tool to bear on the work
Word origin
C14: from Old French torete, from tor tower, from Latin turris
Examples of 'gun turret' in a sentence
gun turret
Through a trapdoor in the top of each gun turret a soldier's head stuck into the air, in beret and earphones, watching the road ahead.