# pustule

> English word · Noun · IPA /ˈpʌstjuːl/

## Definitions
1. A small accumulation of pus in the epidermis or dermis.
2. A pimple filled with pus.
3. Anything like a pustule, on plants or animals; a small blister.

## Etymology
From Middle English pustule, from Old French pustule, from Latin pustula (“inflamed sore, blister”).

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