# Russell's sign

> English word · Noun

## Definitions
1. The presence of calluses on the knuckles or back of the hand, caused by contact with the incisors during self-induced vomiting, generally a sign of an eating disorder.

## Etymology
Named after British psychiatrist Gerald Russell.

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