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n. A pedal or lever operated by the foot for circular drive, as in a potter's wheel or sewing machine.

verb-intransitive. To work a treadle.

n. A foot-operated pedal or lever that generates circular motion.

v. To use a treadle.

n. The part of a foot lathe, or other machine, which is pressed or moved by the foot.

n. The chalaza of a bird's egg; the tread.

n. A lever designed to be moved by the foot to impart motion to a machine, as a lathe, sewing-machine, or bicycle.

n. The tough ropy or stringy part of the white of an egg; the chalaza: so called because formerly supposed to be the male sperm. Compare tread, 4.

To operate a treadle; specifically, in playing a reed-organ, to operate the feeders by means of the foot-levers or pedals.

n. a lever that is operated with the foot

v. tread over

v. operate (machinery) by a treadle

"We designed a range of affordable irrigation tools such as treadle pumps, and mass-marketed them to small-acreage farmers through the local private sector."

treadled    treadles    treadling   

trample    tread    control    operate   

level   

jacquard    mince-meat    racketing    well-spread    addle    placidly    acylation    over-and-over    swing-door    thump-thump