wing nut

noun

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

• Syn: ↑wing-nut

• Hypernyms: ↑nut tree

• Hyponyms: ↑Caucasian walnut, ↑Pterocarya fraxinifolia

• Member Holonyms: ↑Pterocarya, ↑genus Pterocarya

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

• Syn: ↑wing-nut, ↑wing screw, ↑butterfly nut, ↑thumbnut

• Hypernyms: ↑nut

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noun

1. : a nut with wings affording a grip for the thumb and finger

2. : a tree of the genus Pterocarya

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a nut having two flat, widely projecting pieces such that it can be readily tightened with the thumb and forefinger. Also, wingnut. Also called butterfly nut, thumbnut. See illus. under nut.

[1895-1900]

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wing nut noun

A nut with flattened projections for easy turning by finger and thumb, a butterfly nut

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Main Entry: ↑wing

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wing nut UK US noun [countable] [singular wing nut plural wing nuts]

a nut that has a flat piece on each side to make it easier to hold

Thesaurus: nuts, bolts, screws and nails_hyponym

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wing nut,

a nut with winged sides that can be turned with the thumb and a finger.

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n.

1) (also wingnut) a nut with a pair of projections for the fingers to screw it on

2) an Asian tree of the walnut family, with a deeply fissured trunk, compound leaves, and characteristic broad-winged nutlets. ● Genus Pterocarya, family Juglandaceae

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noun, pl ⋯ nuts [count]

: a piece of metal that has a hole in the center and two projecting parts and that you can screw onto a bolt by using your fingers

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ˈwing nut [wing nut wing nuts] noun

a ↑nut (²) for holding things in place, which has parts that stick out at the sides so that you can turn it easily