redingote

noun2

1. •
   A women's dress coat or long fitted coat with a flared skirt.

   • Mrs. Hobby, dressed in a brown and white silk redingote, blinked back tears as the President recalled their first meeting in London in 1942, when Oveta was commander of the WAAC (later the WAC). — 1955
2. •
   (historical) A long coat or greatcoat for men.