Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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No pronunciation record was provided for this word.
noun
The situation where the roof and thill approach each other, diminishing the usual thickness of the coal seam or extinguishing it completely.
Definition source: English Wiktionary via Wiktextract
Topics: business, mining
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
No etymology was provided for this word.
