We found 36 dictionaries that define the word cavern:

General (26 matching dictionaries)

1. cavern: Merriam-Webster
2. cavern: Oxford Learner's Dictionaries
3. cavern: American Heritage Dictionary of the English Language
4. cavern: Collins English Dictionary
5. cavern: Vocabulary.com
6. Cavern, cavern: Wordnik
7. cavern: Cambridge Advanced Learner's Dictionary
8. cavern: Wiktionary
9. cavern: Webster's New World College Dictionary, 4th Ed.
10. cavern: The Wordsmyth English Dictionary-Thesaurus
11. cavern: Infoplease Dictionary
12. cavern: Dictionary.com
13. cavern: Online Etymology Dictionary
14. cavern: Cambridge Essential American English Dictionary
15. Cavern (disambiguation), Cavern (song), Cavern, The Cavern: Wikipedia, the Free Encyclopedia
16. Cavern: Online Plain Text English Dictionary
17. cavern: Webster's Revised Unabridged, 1913 Edition
18. cavern: Rhymezone
19. cavern: AllWords.com Multi-Lingual Dictionary
20. cavern: Webster's 1828 Dictionary
21. cavern: FreeDictionary.org
22. cavern: TheFreeDictionary.com
23. cavern: Mnemonic Dictionary
24. cavern: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

25. cavern-: A Cross Reference of Latin and Greek Elements

Computing (1 matching dictionary)

26. cavern: Encyclopedia

Medicine (2 matching dictionaries)

27. cavern: Merriam-Webster Medical Dictionary
28. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

29. CAVERN: Acronym Finder

Slang (2 matching dictionaries)

30. cavern: Green’s Dictionary of Slang
31. cavern: Urban Dictionary

Sports (1 matching dictionary)

32. CAVE AND KARST TERMINOLOGY (No longer online)

Tech (2 matching dictionaries)

33. Lake and Water Word Glossary (No longer online)
34. Glossary of Water Resource Terms (No longer online)

(Note: See caverned as well.)

Definitions from Wiktionary ( ) ▸ noun:  A large cave. ▸ noun:  An underground chamber. ▸ noun:  A large, dark place or space. ▸ verb:  (transitive) To form a cavern or deep depression in. ▸ verb:  (transitive) To put into a cavern. Similar: cavern out, cave, mesocavern, croft, cove, caveful, crypt, cavemouth, cavelet, cavum, more... Opposite: peak, summit, cliff, crag Types: limestone cavern, ice cave, lavtube, secave, solution cave, tectonic cave, sandstone cave, granite cave, more... Phrases: carlsbad cavern, cavern out, kents cavern, kent's cavern, The Cavern Club, more... Adjectives: dark, great, large, vast, deep, underground, huge, small, gloomy, natural, subterranean Colors:     charcoal,     umber,     sienna,     ochre,     olive, more... ▸ Word origin ▸ Words similar to cavern ▸ Usage examples for cavern ▸ Idioms related to cavern ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cavern ▸ Words that often appear near cavern ▸ Rhymes of cavern ▸ Invented words related to cavern