Definition of "treadwheel" []

• A wheel turned by treading, climbing, or pushing with the feet upon its periphery, as for example in a treadmill. (noun)

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• "To pay higher and higher co-payments on the medicines we take to cure us of the stress and anxiety caused by the enormous treadwheel on which we run?"
• "[With a Rube Goldberg treadwheel-mouse-generated shoe-lever in the plastic butt to TexasBestGrok for the link.]"
• "Judging by the data on a water-raising treadwheel that was in operation until the mid-'30s at Conradsburg in the Harz Mountains, one could easily come to the opposite conclusion, since the system was veritably ridden with friction losses: the bearing had to support not only the weight of the disk or wheel, but also that of the animal."