# smut fungus

> English word · Noun

## Definitions
1. Any phytopathogenic fungus of the order Ustilaginales, which often cause darker colorations in their host plants.

## Etymology
From smut (“soot, black smoke”) + fungus.

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