# gamekeeper's thumb

> English word · Noun

## Definitions
1. An injury to the ulnar collateral ligament of the thumb, which may be stretched, or torn from its insertion site into the proximal phalanx of the thumb.

## Etymology
It has been commonly observed among gamekeepers and Scottish fowl hunters.

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