A riverside fortress in London, used as a palace, a prison and now a museum housing the Crown Jewels.

A large tank of water, in an elevated position, acting as a local reservoir; water is pumped into the tank and fed by gravity to the consumers.

(biblical) A tower erected at Babel by the descendants of Noah's son Ham to reach the sky, and whose completion God thwarted by making the workers speak different languages so that they were unable to understand one another.

(figuratively) A visionary and impractical plan. / Alternative spelling of tower of Babel

The two main buildings of the World Trade Center, destroyed in terrorist attacks on 9/11, 2001.

plural of ivory tower

(transitive) To be much tall or high than something; to loom over. / (transitive, figuratively) To be much greater or more important than.

A tall building in which droplets of molten lead fall into a pool of water in order to form lead shot

A large device, in the form of a tower-shaped building, in which warm water is cooled by evaporation caused by circulating currents of air

(figuratively) A situation where the use of many different languages is a source of confusion.