- 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. - A supply pipe of sufficient elevation to enable the
water to flow into the boiler, notwithstanding the pressure of the
steam.
Definition
[ n.]