| NOUN | artifact | wing screw, wing nut, wing-nut, butterfly nut, thumbnut | a threaded nut with winglike projections for thumb and forefinger leverage in turning |
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| Meaning | A threaded nut with winglike projections for thumb and forefinger leverage in turning. | |
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| Synonyms | wing nut, wing-nut, butterfly nut, thumbnut | |
| Broader | nut | A small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt |
| Spanish | palomilla, tuerca mariposa | |
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