Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun butterfly_nut

1 sense of butterfly nut

Sense 1
wing nut, wing-nut, wing screw, butterfly nut, thumbnut -- (a threaded nut with winglike projections for thumb and forefinger leverage in turning)
       => nut -- (a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt)