From Longman Dictionary of Contemporary Englishwaterwheelwa‧ter‧wheel /ˈwɔːtəwiːl $ ˈwɒːtər-, ˈwɑː-/ noun [countable] a large wheel that is turned by water and is used to drive machinery
Examples from the Corpus
waterwheel• Hayle Mill was originally powered by a waterwheel.• They were constructing a waterwheel and testing the maximum load that it could lift.• Five pairs of nineteenth-century fulling stocks are preserved here, as well as the eighteen-foot breastshot waterwheel and a rotative beam engine.• The mill itself dates from early in the nineteenth century, and its waterwheel remains insitu.• New waterwheels were finished, as were new pumps and exhaust blowers for the acid towers.• Loud squeaks bounced off the rafters above the corridor sounding like an old waterwheel.• Three waterwheels drove the machinery here.• The other still has insitu the wooden undershot waterwheel installed to drive its grinding machinery. 