cauldron bottom
cauldron bottom · cauldron bottoms
Used other than figuratively or idiomatically: see cauldron, bottomUsed other than figuratively or idiomatically: see cauldron, bottom.
Значение
значений: 2Used other than figuratively or idiomatically: see cauldron, bottom.
(Британия, устаревшее, сленг)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.
Происхождение
From cauldron + bottom, in reference to the shape and colour as seen from the perspectiveFrom 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.
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Формы
мн. число: cauldron bottoms| Ед. число | cauldron bottom |
|---|---|
| Мн. число | cauldron bottoms |
правильный