1. Any large dark enclosed space
   "his eyes were dark caverns" 
2. A large cave or a large chamber in a cave

1. Hollow out as if making a cavern
   - cavern out

Derived forms: caverns, caverned, caverning

See also: cavernous

Type of: cave, core out, enclosure, hollow, hollow out, natural enclosure

Encyclopedia: Cavern

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