# peridium

> English word · Noun

## Definitions
1. The outer layer that covers the spore-bearing organ in many fungi.

## Etymology
A New Latin form of Ancient Greek πηρίδιον (pērídion, “little pouch”).

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