As a noun cavern
is a large cave.
As a adjective cavernous is
resembling a cavern; vast.
cavern
English
Noun
(
en noun)
A large cave.
An underground chamber.
Anagrams
*
cavernous
English
Adjective
(
en adjective)
resembling a cavern; vast
having many caverns
Synonyms
*(resembling a cavern) cavelike