n. a kind of mill wheel turned by the weight of persons treading steps arranged around its circumference; formerly used as an instrument of prison discipline a mill driven by an animal treading a sloping; endless belt any monotonous round of duties;
Mom walks for one mile on her treadmill every day.
Mom walks for one mile on her treadmill every day.
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What was the treadmill supposed to do?
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2 syllables
tread-mill
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