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单词 fly-nut
释义

> as lemmas

fly-nut
fly-nut n. a screw nut having wings or projections which enable it to be tightened by hand.
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society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nut > wing-nut
wing-nut1775
fly-nut1825
butterfly nut1849
1825 ‘J. Nicholson’ Operative Mechanic 454 The small binding screw with a fly-nut.
1896 Palmer Tyres 22 Fly nut for opening valve.
1953 F. E. Flood & M. West Dict. Sci. & Techn. Words (ed. 2) 138/2 Fly-nut, nut with wings so that it can be screwed on by hand.
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更新时间:2025/3/12 0:08:44