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

Derived forms: wing-nuts, wing nuts

Type of: nut, nut tree

Part of: genus Pterocarya, Pterocarya

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winged everlasting
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winged spindle tree
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