Definition from Wiktionary, the free dictionary
Alternative forms 
- Rhymes: -ɪksi
pixie (plural pixies)
- A playful sprite, elflike or fairy-like creature.
- (slang) a cute, petite woman with short hair
- (astronomy, meteorology) an upper-atmospheric optical phenomena associated with thunderstorms, a short-lasting pinpoint of light on the surface of convective domes that produces a gnome.