cavern
noun
1 cavern
Any large dark enclosed space.
Roget 252: concavity, depression, dip; hollow, hollowness; indentation, intaglio, cavity, dent, dint, dimple, follicle, pit, sinus, ... show more
2 cavern
A large cave or a large chamber in a cave.
Dutch: caverne, grot, krocht, spelonk
Polish: komora
verb
1 cavern
Hollow out as if making a cavern.
synonym: cavern out.
Moby thesaurus: abri, antre, bunker, burrow, cave, cove, dugout, foxhole, grot, grotto, hole, lair, sewer, subterrane, subterranean, subway, tunnel, warren.
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