: cave
especially
: one of large or indefinite extent
caverned; caverning; caverns
1
: to place in or as if in a cavern
2
: to form a cavern of : hollow
—used with out
Synonyms
Examples of cavern in a Sentence
Noun
a cavern with beautiful stalactites
Recent Examples on the Web
John Tufts, The Indianapolis Star, 31 Dec. 2024
Today, the caverns hold evidence of both the Maya and the people who inhabited the region before them, as well as the fossils of prehistoric megafauna.
—Meilan Solly, Smithsonian Magazine, 17 Dec. 2024
Robert Lee Hotz, WSJ, 12 July 2018
See all Example Sentences for cavern 
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Noun
Nautical vampires aside, the caverns offer a unique experience for people to explore one of America's longest navigable underground rivers.
—John Tufts, The Indianapolis Star, 31 Dec. 2024
Today, the caverns hold evidence of both the Maya and the people who inhabited the region before them, as well as the fossils of prehistoric megafauna.
—Meilan Solly, Smithsonian Magazine, 17 Dec. 2024
Verb
In the hunt, scientists have erected detectors in a South Dakota cavern a mile underground, at the bottom of Lake Baikal in Siberia, under a mountain in Japan, and on the floor of the Mediterranean Sea.
—Robert Lee Hotz, WSJ, 12 July 2018
See all Example Sentences for cavern
Dictionary Entries Near cavern
Cite this Entry
“Cavern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cavern. Accessed 18 Jan. 2025.
Copy CitationMedical Definition
cavern
noun
cav·ern
ˈkav-ərn 
: a cavity (as in the lung) caused by disease
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