[1] : The Collaborative International Dictionary of English v.0.48

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.
      1913 webster

   2. biol. the chalaza of a bird's egg; the tread.
      1913 webster
see also:
tread 

[2] : WordNet (r) 2.0

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 machinery by a treadle
see also:
pedal foot pedal foot lever 

[3] : Moby Thesaurus II by Grady Ward, 1.0

43 moby thesaurus words for "treadle":
   advance, bar, beam, boom, bowl, bunt, butt, cant hook, claw bar,
   crank, crow, crowbar, drive, forward, handspike, impel, iron crow,
   jimmy, lever, limb, marlinespike, move, outrigger, peavey, pedal,
   pinch bar, pole, prize, propel, pry, push, ripping bar, roll, row,
   shove, shunt, spar, sweep, sweep along, thrust, troll, trundle,
   wrecking bar

Treadle >> T Words
Treadle, definition of term: Treadle
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