standpipe

A large elevated vertical pipe or cylindrical tank that is filled with water to produce a desired pressure.

A pipe or system of pipes through which water can flow, as for the operation of fire hoses on upper floors of a building.

A fixed vertical pipe for furnishing water to the upper part of a high building in case of fire. The stand-pipe may be connected to a high-pressure water-main or may be dependent on a hose from a fire-engine for its supply.

A vertical pipe erected at a well or reservoir, into which water is forced by mechanical means in order to obtain a head-pressure sufficient to convey it to a distance.

A small pipe inserted into an opening in a water-main.