wing-nut

Noun wing-nut has 2 senses

• wing-nut(n = noun.plant) wing nut - any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia; Array
is a member of genus pterocarya, pterocarya
has particulars: caucasian walnut, pterocarya fraxinifolia
is a kind of nut tree

• wing-nut(n = noun.artifact) butterfly nut, thumbnut, wing nut, wing screw - a threaded nut with winglike projections for thumb and forefinger leverage in turning; Array
is a kind of nut