Definition of "waterwheels" [waterwheels]

• Plural form of waterwheel. (noun)

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• ""Active" systems such as waterwheels would fail as soon as maintenance lapsed."
• "The burn, draining down from the fells and held in reservoirs, powered the whole enterprise, turning waterwheels that drove the ore-crushing rollers and separating lead from lighter rock when it was channelled across the washing floors."
• "They are now preparing a technical book about the waterwheels, which are unprecedented finds - and they have asked permission to quote my description of how a treadmill version may have worked!"