wing nut

Noun
  1. is a type of: nut tree - tree bearing edible nuts
    subtypes: caucasian walnut, pterocarya fraxinifolia - medium-sized Caucasian much-branched tree distinguished from other walnut trees by its winged fruit
    belongs to: genus pterocarya, pterocarya - Asiatic nut trees: wing nuts
    same as: wing-nut
  2. is a type of: nut - a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
    same as: butterfly nut, thumbnut, wing screw, wing-nut

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