# clas

> English word · Noun · frequency rank #62,770

## Definitions
1. A Celtic monastery

## Etymology
From Welsh clas, from Middle Welsh clas, from Proto-Brythonic *klas, from Latin classis. Doublet of class and classis.

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