# dinner jacket

> English word · Noun

## Definitions
1. A jacket, often white, corresponding to a tuxedo jacket.
2. The formal suit, typically black, that includes this type of jacket.

## Etymology
So called because it is worn by men to formal dinners.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/dinner-jacket