treadlenoun [ C ]
uk/ˈtred.əl/us/ˈtred.əl/a part of a machine that, when operated by the foot, gives the power to turn a wheel in the machine:
My grandmother still uses her old treadle sewing machine.
Thesaurus: synonyms and related words
Machines - Engines & motors
- clockwork
- electromotive
- engine
- exhaust
- motor
- servomechanism
- servomotor
- sprocket
- starter motor
- traction engine
- work
- workings