or wa·ter wheel

[waw-ter-hweel, -weel, wot-er-]


a wheel or turbine turned by the weight or momentum of water and used to operate machinery.
a wheel with buckets for raising or drawing water, as a noria.
the paddle wheel of a steamboat.

Origin of waterwheel

late Middle English word dating back to 1375–1425; see origin at water, wheel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of waterwheel