Answer:

turret

Answer	Crossword Clue
TURRET	Armored structure
TURRET	"Monitor" feature
TURRET	Tank top

TURRET	Fortress feature
TURRET	Tank top?
TURRET	Castle feature
TURRET	Small tower
TURRET	Tank feature
TURRET	Castle projection
TURRET	Revolving gun mount
TURRET	Castle tower

TURRET	Part of a tank
TURRET	Tank's top
TURRET	Tower atop a castle
TURRET	Top of a tank
TURRET	Revolving structure for naval guns.
TURRET	Part of the "Big Mo."
TURRET	Gun house on a warship.
TURRET	Plexiglass part of a bomber.

TURRET	Aircraft cockpit.
TURRET	Gun tower.
TURRET	Castle structure.
TURRET	Small tower.
TURRET	Part of a tank.
TURRET	Architectural feature.
TURRET	Tower.
TURRET	Tank top.

TURRET	Fort feature
TURRET	Gun housing
TURRET	Gun mount
TURRET	Gunner's enclosure
TURRET	Rotating emplacement
TURRET	Gunner's station
TURRET	Gun location
TURRET	Battlement

TURRET	Castle part
TURRET	Small tower on a castle
TURRET	Building tower
TURRET	Tank topper
TURRET	Revolving gun holder