What is the meaning of Pixie?

A playful sprite or elflike or fairy-like creature.

A cute, petite woman with short hair.

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

A butterfly of the genus Melanis.

Ellipsis of pixie cut.

Joseph Wright, The English Dialect Dictionary, Vol. IV, 1903.

William Dwight Whitney, The Century Dictionary, 1895.

belt

Source: wiktionary.org