STANDPIPE
standpipe
(noun) a vertical pipe
Source: WordNet® 3.1
Etymology
Noun
standpipe (plural standpipes)
A vertical pipe into which water is pumped so that a desired pressure is available at the bottom.
(by extension) A vertical pipe used as an overflow protection drain in certain domestic plumbing fixtures (e.g. flush toilets).
The water supply of a building for the use of firefighters.
Source: Wiktionary
Stand"pipe`, n.
1. (Engin.)
Definition: A vertical pipe, open at the top, between a hydrant and a
reservoir, to equalize the flow of water; also, a large vertical
pipe, near a pumping engine, into which water is forced up, so as to
give it sufficient head to rise to the required level at a distance.
2. (Steam Boiler)
Definition: A supply pipe of sufficient elevation to enable the water to
flow into the boiler, notwithstanding the pressure of the steam.
Knight.
Source: Webster’s Unabridged Dictionary 1913 Edition