| 单词 | butterfly nut |
| 释义 | > as lemmasbutterfly nut butterfly nut n. a nut having two flat projections, thought to resemble wings, on either side which allow the nut to be turned by hand; = wing-nut at wing n. Compounds 1a(e). ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nut > wing-nut wing-nut1775 fly-nut1825 butterfly nut1849 1849 Repertory Patent Inventions 13 384 A screw-pin..with a wide head above, and a butterfly nut below. 1925 Morris Owner's Man. 71 Under the butterfly nut at the back of the bonnet hinge. 2011 A. R. Edwards Slope Kongwa Hill xv. 181 It was an uncomfortable crossbar to ride, due to the butterfly nut located at a tactically inopportune place. < as lemmas |
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