# regnum

> English word · Noun · IPA /ˈɹɛɡnəm/

## Definitions
1. A rank in the classification of organisms, below dominium and above divisio.
2. A badge of royalty, especially the early form of the pope's tiara.

## Etymology
From Latin rēgnum (“kingdom”). Doublet of reign.

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