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wing nut

PRIMARY MEANINGS OF: wing nut

1
n
any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia
2
n
a threaded nut with winglike projections for thumb and forefinger leverage in turning
FULL DEFINITIONS OF: wing nut
1

n any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia

Synonyms:
wing-nut
Types:
Caucasian walnut, Pterocarya fraxinifolia
medium-sized Caucasian much-branched tree distinguished from other walnut trees by its winged fruit
Type of:
nut tree
tree bearing edible nuts
2

n a threaded nut with winglike projections for thumb and forefinger leverage in turning

Synonyms:
butterfly nut, thumbnut, wing screw, wing-nut
Type of:
nut
a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
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