Hypertext Webster Gateway: "treadle"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Treadle \Trea"dle\, n. [OE. tredyl a step, AS. tredel. See
{Tread}.]
1. The part of a foot lathe, or other machine, which is
pressed or moved by the foot.
2. (Biol.) The chalaza of a bird's egg; the tread.
From WordNet (r) 1.7 (wn)
treadle
n : a lever that is operated with the foot [syn: {pedal}, {foot
pedal}, {foot lever}]
v 1: tread over; "the brickmaker treadles over clay to pick out
the stones"
2: operate by a treadle, of machinery
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