Exact Match:
- cavern
- a large cave or a large chamber in a cave
- any large dark enclosed space; "his eyes were dark caverns"
- hollow out as if making a cavern
Synonyms:
- abri,
- antre,
- bunker,
- burrow,
- cave,
- cove,
- dugout,
- foxhole,
- grot,
- grotto,
- hole,
- lair,
- sewer,
- subterrane,
- subterranean,
- subway,
- tunnel,
- warren