The definition of haute is a high level of elegance and fashion.
An example of something haute is an evening gown at the most famous fashion show in the world.
of a high level of quality, fashion, etc.: often used to suggest affectation or snobbery
Origin of hauteFr, feminine of haut, high, grand: see haughty
Fashionably elegant: “In Washington, haute gastronomy is at least as important as the national economy” (Ann L. Trebbe).
Origin of hauteFrom such phrases as haute couture.