or wa·ter wheel
Examples from the Web for waterwheel
The source of power, hidden by the curious “log cabin” at the right, was probably a waterwheel.Mine Pumping in Agricola's Time and Later|Robert P. Multhauf
There he built a waterwheel from which he pumped water to residents who lived beside the bridge.Our Legal Heritage, 5th Ed.|S. A. Reilly
This waterwheel is designed to be placed in a flowing stream.
This motor is a waterwheel designed for an ordinary hose faucet.
The next morning the girl heard the noise of the waterwheel, and she opened the lattice and looked out of the window.The Grey Fairy Book|Various