# mad cow

> English word · Noun

## Definitions
1. Mad cow disease; bovine spongiform encephalopathy.
2. A cow afflicted with mad cow disease.
3. Used other than figuratively or idiomatically: see mad, cow.

## Etymology
Ellipsis of mad cow disease.

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