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A cave that was inhabited in the distant past, in particular by paleohumans
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
A formerly-open spelunk that has since filled back in but retains the overall structure as a kind of fossil
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided