pixy

/P IH1 K S IY0/
noun
  1. 1

    (fantasy literature, fairy tales) A playful sprite or elflike or fairy-like creature.

  2. 2

    A cute, petite woman with short hair.

  3. 3

    An upper-atmospheric optical phenomenon associated with thunderstorms, a short-lasting pinpoint of light on the surface of convective domes that produces a gnome.

Source: https://en.wiktionary.org/wiki/pixie, https://en.wiktionary.org/wiki/pixy