A cavern is a big hole in the ground or inside a mountain. It is usually natural and often very large. People sometimes visit caverns to explore.
The explorers went into the dark cavern.
There is a deep cavern under the mountain.
In science, a cavern means one large open space inside a cave system. It can be studied by scientists to learn about rocks and history underground.
The cavern was filled with stalactites.
Scientists mapped the large cavern carefully.
In medicine, a cavern is a hollow space inside a part of the body. These spaces can hold air or fluid and have important functions.
The doctor examined the nasal cavern carefully.
Blood filled the cavern inside the bone.
Sometimes, a cavern means a dark and small prison room underground. It is a very old use of the word and is seen in stories or history.
The prisoner stayed locked in the cold cavern.
Old castles had caverns for prisoners.
Sometimes, people use 'cavern' to talk about big empty spaces in feelings or places. This is a figurative way to show something very empty or lonely.
Her heart felt like a dark cavern of sadness.
The room was a silent cavern after the crowd left.
In slang, 'cavern' sometimes means a dark club or music place, like the famous 'Cavern Club' where The Beatles played. It means a fun, noisy, and large indoor space.
We danced all night in the cavern.
The band played live in the cavern on Friday.
