wing-nut

English Thesaurus

1. a threaded nut with winglike projections for thumb and forefinger leverage in turning (noun.artifact)

hypernym	:	nut,
definition	:	a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt (noun.artifact)

2. any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia (noun.plant)

hypernym	:	nut tree,
definition	:	tree bearing edible nuts (noun.plant)

hyponym	:	caucasian walnut, pterocarya fraxinifolia,
definition	:	medium-sized Caucasian much-branched tree distinguished from other walnut trees by its winged fruit (noun.plant)

member meronym	:	genus pterocarya, pterocarya,
definition	:	Asiatic nut trees: wing nuts (noun.plant)