water power

noun3

1. •
   Mechanical or electrical energy derived from running or falling water; originally obtained from a waterwheel immersed in a stream; modern hydroelectric power is obtained from turbines fed from reservoirs.
2. •
   A site capable of generating power or the right to use a site to generate power.
3. •
   The capacity to shoot water, as from a fire hose or squirt gun

   • Fire trucks were parked everywhere: a new arrival was being carefully backed around the stacked pallets to add some new waterpower. — 1988