as in cave
a naturally formed underground chamber with an opening to the surface
a cavern with beautiful stalactites
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Recent Examples of cavern
One is the real, or at least original, Devils Hole, a pool of exceptionally clear, geothermally heated water found at the bottom of a limestone cavern in the Mojave Desert.
—
Elizabeth Kolbert, New Yorker, 9 Aug. 2025
In addition, since 1994, more than 160 bone fragments have been recovered from the Aurora Stratum (TD-6) in the Gran Dolina cavern at Sierra de Atapuerca.
—ArsTechnica, 7 Aug. 2025
Earthquakes have shaken the cavern repeatedly and back in the day, when the government was testing nuclear weapons farther west at the Nevada Test Site, an underground blast would cause the water to ripple.
—Shaun McKinnon, AZCentral.com, 5 Aug. 2025
More suddenly, these two fall down into a literal and metaphoric well of trouble, a hidden entrance to an underground cavern laden with secrets as well as a pool of clear water that looks safe enough to drink.
—Michael Phillips, Chicago Tribune, 31 July 2025
See All Example Sentences for cavern
Elizabeth Kolbert, New Yorker, 9 Aug. 2025
In addition, since 1994, more than 160 bone fragments have been recovered from the Aurora Stratum (TD-6) in the Gran Dolina cavern at Sierra de Atapuerca.
—ArsTechnica, 7 Aug. 2025
Earthquakes have shaken the cavern repeatedly and back in the day, when the government was testing nuclear weapons farther west at the Nevada Test Site, an underground blast would cause the water to ripple.
—Shaun McKinnon, AZCentral.com, 5 Aug. 2025
More suddenly, these two fall down into a literal and metaphoric well of trouble, a hidden entrance to an underground cavern laden with secrets as well as a pool of clear water that looks safe enough to drink.
—Michael Phillips, Chicago Tribune, 31 July 2025
See All Example Sentences for cavern
Recent Examples of Synonyms for cavern
Noun
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Very, very few people have been allowed into the Chauvet cave in Southeastern France since it was discovered in 1994 and found to contain ancient cave paintings dating back more than 30,000 years.—
Matthew Carey,
Deadline,
4 Sep. 2025
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Apostle Islands National Lakeshore in Wisconsin has sea caves to explore on kayaks.—
Jeffrey C. Hallo,
The Conversation,
4 Sep. 2025
Noun
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Or for a more tranquil setting, a grotto is tucked into the corner of the lagoon.—
Mia Taylor,
Boston Herald,
7 Sep. 2025
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To keep things fresh, producers have ventured into hitherto uncharted baking grottoes.—
Ruby Tandoh,
New Yorker,
25 Aug. 2025
Cite this Entry
“Cavern.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cavern. Accessed 10 Sep. 2025.
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