rhizoverbBeta
DictionarycavernLarge hollow space
noun

cavern

KAV-ern/ˈkævərn/

A large cave or cave-like hollow space.

Their lamps reveal a vast cavern beneath the limestone hillside.

A spacious natural underground chamber seen through a rocky opening, with a soaring vaulted ceiling, stalactites, stalagmites, and a broad floor receding into the cave.
Etymology
cavernLatincave

Caverna named a cave, with an underlying sense of hollowness. English “cavern” emphasizes a large underground hollow rather than merely any opening in the earth.

In context

Eastside Decoded – SCP36:18
The cavern area here is quite large and is supported by a number of rock formations
The Siberian Wasteland Made Entirely of Living Human Flesh (SCP-610)

More examples

  • Water drips from the cavern's high ceiling.
  • The empty warehouse feels like a dark cavern.
  • A narrow passage connects the two caverns.

Forms

cavern · caverns

Similar words

cave
The broader term, without necessarily large size.
chamber
A room or enclosed space that need not be natural.