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Webster 1913 Edition

Noun.

[L.

caverna

, fr.

cavus

hollow: cf. F.

caverne

A large, deep, hollow place in the earth; a large cave.

Noun.

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.

Earth with its caverns dark and deep.