| treadle | 1. The part of a foot lathe, or other machine, which is pressed or moved by the foot. 2. <biology> The chalaza of a bird's egg; the tread. Origin: OE. Tredyl a step, AS. Tredel. See Tread. Source: Websters Dictionary (01 Mar 1998) |
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| treadle | a lever that is operated with the foot |
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| treadle | operate by a treadle, of machinery |
| treadle | tread over |
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