'Standpipe' definitions:

Definition of 'standpipe'

From: WordNet
noun
A vertical pipe

Definition of 'Standpipe'

From: GCIDE
  • Standpipe \Stand"pipe`\ (-p[imac]p`), n.
  • 1. (Engin.) 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. [1913 Webster]
  • 2. (Steam Boiler) A supply pipe of sufficient elevation to enable the water to flow into the boiler, notwithstanding the pressure of the steam. --Knight. [1913 Webster]