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The turret (marked in pink) of a baronial house in Argyll, Scotland
A siege tower
The turret of a South African Olifant Mk 1A main battle tank
Electronic components soldered on a turret board


From Middle English touret, from Old French torete (French tourette), diminutive of tour (tower), from Latin turris. See tower.

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turret (plural turrets)

  1. (architecture) A little tower, frequently a merely ornamental structure at one of the corners of a building or castle.
    • 1836, Oliver Wendell Holmes, Sr., “Poetry: A Metrical Essay”, republished in The Poems of Oliver Wendell Holmes, Boston, Mass.: Ticknor and Fields, 1862, OCLC 5091562, pages 7–8:
      There breathes no being but has some pretence / To that fine instinct called poetic sense; [] / The freeman, casting with unpurchased hand / The vote that shakes the turrets of the land.
  2. (historical, military) A siege tower; a movable building, of a square form, consisting of ten or even twenty stories and sometimes one hundred and twenty cubits high, usually moved on wheels, and employed in approaching a fortified place, for carrying soldiers, engines, ladders, casting bridges, and other necessaries.
  3. (electronics) A tower-like solder post on a turret board (a circuit board with posts instead of holes).
  4. (military) An armoured, rotating gun installation on a fort, ship, aircraft, or armoured fighting vehicle.
  5. (rail transport) The elevated central portion of the roof of a passenger car, with sides that are pierced for light and ventilation.


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