# Celsus

> English word · Proper noun · frequency rank #85,101

## Definitions
1. An ancient Greek philosopher of the Second Century.
2. An ancient Roman encyclopaedist of the First Century, Aulus Cornelius Celsus.

## Etymology
From Ancient Greek Κέλσος (Kélsos).

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