A water stop is a railway stop where a steam locomotive can take on water. Water stop or waterstop may also refer to: Waterstop, a watertight structure Water stop (sports) or water break, a break and a place to break for drinking water in some sports competitions "Waterstop" or Waterhouse stop was an early interchangeable aperture diaphragm "Water Stop", a song from the Gut the Van album "Water Stop", a song from the Silent Steeples album