turret

  1. Noun.  (architecture) A little tower, frequently a merely ornamental structure at one of the corners of a building or castle.
  2. Noun.  (historical, military) 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. Noun.  (military) An armoured, rotating gun installation, on a fort, ship, aircraft, or armoured fighting vehicle.
  4. Noun.  (railroads) The elevated central portion of the roof of a passenger car. Its sides are pierced for light and ventilation.

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This entry was last updated on RefTopia from its source on 3/20/2012.