A water tower is a large tank of water which is placed on a high metal structure so that watercan be supplied at a steady pressure to surrounding buildings.
water tower in British English
noun
a reservoir or storage tank mounted on a tower-like structure at the summit of an area of high ground in a place where the water pressure would otherwise be inadequate for distribution at a uniform pressure
water tower in American English
1.
an elevated tank used for water storage and for maintaining equalized pressure on a water system
2. US
a firefighting apparatus that can be used to lift high-pressure hoses and nozzles to great heights
Examples of 'water tower' in a sentence
water tower
On the silver water tower, in neat black letters, was the name of the town.
McCorquodale, Robin DANSVILLE (2002)
Ninety seconds later, she was on the roof, crouching beneath a wooden water tower, scanning her surroundings.
Mark Burnell CHAMELEON (2002)
Rusting old loco motives; a water tower, chipped by bomb-splinters; a level crossing; pithead gear; a station sign.