A threaded nut with winglike projections for thumb and forefinger leverage in turning
English: wing nut, wing-nut, wing screw, butterfly nut, thumbnut
wing-nutEnglish
wing-nut, wing nut, butterfly nut, thumbnut, wing screw
Noun
Any tree of the genus Pterocarya, fruit is a small winged nutlet, Caucasus to southeastern Asia
English: wing nut, wing-nut