# cauk

> English word · Noun · IPA /kɔːk/

## Definitions
1. An opaque, earthy variety of barite, or heavy spar.

## Etymology
British dialect cauk (“limestone”), from Northern Middle English calke, from Anglian Old English calc; doublet of calx and chalk.

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