Cavern
[Noun]
Webster's Dictionary 1828
1. A deep hollow place in the earth. In general, it differs from cave in greater depth, and in being applied most usually to natural hollows, or chasms.
2. Earth with its caverns dark and deep.
Cavern
[Noun]
Webster's Dictionary 1913
A large, deep, hollow place in the earth; a large cave.
Caverned
[Adjective]
Webster's Dictionary 1828
1. Full of caverns, or deep chasms; having caverns.
Cavernous
[Adjective]
Webster's Dictionary 1913
1. Full of caverns; resembling a
cavern or large cavity; hollow.
2. Filled with small cavities or cells.
3. Having a sound caused by a cavity.
Full of little cavities; as cavernulous metal.
Full of little cavities; as, cavernulous metal.