Tower
Part of speech: verb
Definition: To be considerably taller than.
Part of speech: noun
Definition: A structure, usually taller than it is wide, often used as a lookout. Any item, such as a computer case, that is usually higher than it is wide. An interlocking tower. Tarot card. One who tows.
Example sentence: In Peter Ackroyd's book 'London: The Biography,' he describes the route of the medieval wall that enclosed the original city. Take the book and follow it from the Tower of London via the Barbican to Ludgate Hill. You experience the real history of London.
Turret
Part of speech: noun
Definition: A little tower, frequently a merely ornamental structure at one of the corners of a building or castle.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.An armoured, rotating gun installation, on a fort, ship, aircraft, or armoured fighting vehicle.The elevated central portion of the roof of a passenger car. Its sides are pierced for light and ventilation.