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Definition of cavern
cavern
/ˈkæv.ɚn/
cav · ern
Adverb:cavernously
•Plural:caverns
•Adjective:cavernous
•Past Simple:caverned
•Past Participle:caverned
•Present Participle:caverning
cavern Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
Syllables
2
cavern Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A large, naturally formed underground cave or a spacious subterranean chamber within a cave system, often featuring mineral formations such as stalactites and stalagmites.
Example
"The geologists descended into the limestone cavern to study the ancient mineral deposits."
Synonyms
View all synonyms for cavern• verb
1
To hollow out or excavate into the form of a cavern, or to enclose within a cavern (chiefly literary).
Example
"Centuries of crashing waves had caverned the base of the sea cliffs."
Synonyms
View all synonyms for cavern• Rhymes for cavern
Word Origin & Etymology
Borrowed in the late 14th century from Old French caverne, from Latin caverna ('a cave, hollow, cavity'), derived from cavus ('hollow').
Cite this Entry
Wordmom. (2026). Definition of Cavern. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/cavern