Definition of turret
1
: a little tower;
specifically
: an ornamental structure at an angle of a larger structure
2 a (1)
: a revolving armored structure on a warship that protects one or more guns mounted within it
(2)
: a similar upper structure usually for one gun on a tank
(3)
: a gunner's fixed or movable enclosure in an airplane
b
: a tall building usually moved on wheels and formerly used for carrying soldiers and equipment for breaching or scaling a wall
3 a
: a pivoted and revolvable holder in a machine tool
b
: a device (as on a microscope or a television camera) holding several lenses
