cauk

C3A1U1K5
/kɔːk/

noun

An opaque, earthy variety of barite, or heavy spar.

OriginNorthern Middle English calke ← Anglian Old English calc →
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Meanings

nouncauk (countable and uncountable, plural cauks)

plural cauks · alternative cawk

  1. archaiccountableuncountablechemistryAn opaque, earthy variety of barite, or heavy spar.

Origin

  1. Anglian Old Englishcalc
  2. Northern Middle Englishcalke
  3. Englishcauk

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

More words from Northern Middle English, Anglian Old English

Full word history & related roots →

Rhymes & wordplay

Sounds the same

caulkcorkCorkcawk
Cite this entry
APA

cauk. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/cauk

MLA

“cauk.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cauk. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “cauk,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/cauk.

Source: cauk on Wiktionary, CC BY-SA 4.0.