A lever worked by the foot in machines and mechanical contrivances, usually to produce reciprocating (as originally in the loom) or rotary motion.
| 单词 | θ214319 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > lever > [noun] > operated by foot (9) treadle14.. A lever worked by the foot in machines and mechanical contrivances, usually to produce reciprocating (as originally in the loom) or rotary motion. treddle1671 A pellet of sheep's or goat's dung: usually in plural. footstep1678 = footboard, n. 3. Obsolete. rare. footboard1721 A board or pedal against which the foot is pressed in order to work a machine or mechanical device. Cf. treadle, n. 2a. treader1747 = treadle, n. 2. rare. pedal1789 A foot-operated lever used to operate, impart motion to, or control a machine or mechanical contrivance, such as a lathe, sewing machine, or rubbish… treadle mat1937 a mat or casing which activates a mechanism when stepped on or otherwise depressed. Subcategories:— operation of (1) — one who operates (1) |
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