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treadle

noun

  1. mechanism converting reciprocating into rotating motion
L329571 on Wikidata ↗

verb

No English definition recorded for this entry.

L333312 on Wikidata ↗

Wiktionary

Pronunciation: /ˈtɹɛdl̩/

noun

Etymology: From Middle English tredel, from Old English tredel; equivalent to tread + -le.

  1. A foot-operated pedal or lever that generates motion.

    “To the rear end of the shaft B, is attached a band wheel, to the periphery of which is attached a strap J, which descends to a treadle, to be operated by the foot, but which requires no description.”

    “There is an inconspicuous treadle let into the floor and when you step on it an air-operated door-opening mechanism is automatically activated; [...].”

  2. A device actuated by wheels passing over it.

    “As a car enters the parking area the front wheels pass over a treadle, causing a timber barrier to lift and allow the motorist to drive in and park. No money is required at this stage. As the car passes over a second treadle, just beyond the entrance, the barrier falls again.”

  3. Chalaza.

verb

Etymology: From Middle English tredel, from Old English tredel; equivalent to tread + -le.

  1. To use a treadle.
  2. To press a specific treadle or sequence of treadles on the loom.

    “You can play with treadling a straight or point twill, treadle just Block A, treadle just Block B, or mix and match all the options.”