cauldron bottom

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cauldron bottom

Where it comes from

From cauldron + bottom, in reference to the shape and colour as seen from the perspective of someone in the coal mine. Compare Sicilian campanaru (literally “bell tower”) in sulfur mining.

noun cauldron bottoms

UK, obsolete, slang A large, round mass in a coal seam that forms part of the roof of a coal mine passage (usually being a fossilized root or stump); considered a hazard due to being prone to falling without warning.
Similar: cauldron arse
Used other than figuratively or idiomatically: see cauldron, bottom.

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MLA

"cauldron bottom." Wiktionary, via Micwyn, micwyn.com/word/cauldron%20bottom. Accessed 6 Nov. 2026.

APA

cauldron bottom. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/cauldron%20bottom

Chicago

"cauldron bottom." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/cauldron%20bottom.

BibTeX

@misc{cauldron_bottom_2026,
  title = {cauldron bottom},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/cauldron%20bottom},
  urldate = {2026-11-06}
}