# pistillidium

> English word · Noun

## Definitions
1. An archegonium.

## Etymology
From New Latin pistillidium, from Latin pistillum (“pestle”) + -idium.

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