Spencer

noun

1. A short double-breasted men's overcoat worn in the 18th and 19th centuries.
2. A short, close-fitting jacket primarily worn by women and children in the early 19th century.
3. A (usually woollen) vest worn by women and girls for extra warmth.
4. A large loose-fitted gaffsail on a square-rigger or barque, used from the nineteenth century onwards.