# Fat Tuesday

> English word · Proper noun

## Definitions
1. The Tuesday before the onset of Lent.

## Etymology
Calque of French mardi gras (“fat Tuesday”).

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