treadle
🇺🇸
/ˈtredl/
🇬🇧
/ˈtredl/
A bar or lever that you step on to make a machine work.
The tailor used the treadle to power the sewing machine.
To step on a treadle to make a machine work.
She treadled the spinning wheel to spin the wool.
To walk heavily or clumsily.
He treadled into the room, making a lot of noise.