# cock-up

> English word · Noun

## Definitions
1. A mistake.
2. A superior letter; a lower-case letter placed above the baseline and made smaller than ordinary script; traditionally used in abbreviations.
3. A roll or twist of hair worn at the nape of the neck; a bun.

## Etymology
A deverbal from cock up.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/cock-up