treadle
Longman Dictionary of Contemporary English 5++LDOCE 5++tread·le /ˈtredl/ noun [countable] Ta flat piece of metal or wood that you move with your foot to turn a wheel in a machine 〔用脚踩踏使机器轮子转动的〕踏板
Examples from the Corpus
treadle• The women of San Pablo had returned to home-work, making dolls' dresses on treadle operated machines.• Will they really want treadle or dread?Origin treadle Old English tredel, from tredan; → TREAD1tread·le nounChineseSyllable
piece Corpus that of a metal wood or flat
treadle
tread‧le /ˈtredl/
noun [countable]a flat piece of metal or wood that you move with your foot to turn a wheel in a machine
tread‧le /ˈtredl/
noun [countable]a flat piece of metal or wood that you move with your foot to turn a wheel in a machine