Meaning of cauldron bottom | Babel Free
Definitions
-
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. UK, obsolete, slang
- Used other than figuratively or idiomatically: see cauldron, bottom.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.