Definition of treadle noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈtredl//
; NAmE NAmE//ˈtredl//
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(especially in the past) a device worked by the foot to operate a machine a treadle sewing machine Word Origin Old English tredel ‘stair, step’ (see tread).
See the Oxford Advanced American Dictionary entry: treadle