standpipe

plural standpipes

1. A vertical pipe into which water is pumped so that a desired pressure is available at the bottom.
   1. broadlyA vertical pipe used as an overflow protection drain in certain domestic plumbing fixtures (e.g. flush toilets).
2. The plumbing for a water supply in a building for the use of firefighters; the water supply itself (firewater).

   dry standpipe

   1 more example

   wet standpipe

3. A freestanding pipe fitted with a tap which is installed outdoors to dispense water for everyday use.