(to) treadle

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• treadle — ► NOUN ▪ a lever worked by the foot and imparting motion to a machine. ► VERB ▪ operate by a treadle. ORIGIN Old English, «stair, step» …   English terms dictionary

• treadle — [tred′ l] n. [ME tredel < OE tredan: see TREAD] a lever or pedal moved by the foot as to turn a wheel vi. treadled, treadling to work a treadle …   English World dictionary

• 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] …   The Collaborative International Dictionary of English

• treadle — (n.) lever worked by foot, c.1400, from O.E. tredel step, stair, from tredan to tread (see TREAD (Cf. tread)) + instrumental suffix el (Cf. HANDLE (Cf. handle)) …   Etymology dictionary

• Treadle pump — A treadle pump is a human powered pump designed to lift water from a depth of seven meters or less. A treadle is a lever device pressed by the foot to drive a machine, in this case a pump. The treadle pump can do most of the work of a motorized… …   Wikipedia

• Treadle (railway) — In railway signalling, a treadle is a mechanical or electrical device that detects that a train axle has passed a particular location. They are used where a track circuit requires re inforcing with additional information about a train s location …   Wikipedia

• Treadle — A treadle [from OE tredan = to tread] is a part of a machine which is operated by the foot to produce reciprocating or rotary motion in a machine such as a weaving loom (reciprocating) or grinder (rotary). Treadles can also be used to power water …   Wikipedia

• treadle — I. noun Etymology: Middle English tredel step of a stair, from Old English, from tredan Date: 15th century a swiveling or lever device pressed by the foot to drive a machine II. verb (treadled; treadling) Date: 1891 intransitive verb to operate a …   New Collegiate Dictionary

• treadle — n. to work a treadle * * * [ tredl] to work a treadle …   Combinatory dictionary

• treadle — UK [ˈtred(ə)l] / US noun [countable] Word forms treadle : singular treadle plural treadles a part of a machine that you move up and down with your foot to make the machine work …   English dictionary

• treadle — treadler /tred leuhr/, n. /tred l/, n., v., treadled, treadling. n. 1. a lever or the like worked by continual action of the foot to impart motion to a machine. 2. a platform, as on a bus or trolleycar, for opening an exit door. v.i. 3. to work a …   Universalium