Synonyms of wing-nut

1. wing nut, wing-nut, nut tree: usage: any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia
2. wing nut, wing-nut, wing screw, butterfly nut, thumbnut, nut: usage: a threaded nut with winglike projections for thumb and forefinger leverage in turning

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