treadle
US /ˈtred.əl/
UK /ˈtred.əl/
1.
a lever that is operated by the foot to power a machine
:
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She pressed the treadle of the sewing machine.
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The old spinning wheel had a wooden treadle.
1.
to operate a machine with a treadle
:
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She learned to treadle the old sewing machine with ease.
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He would treadle for hours, creating beautiful wooden crafts.