underground chamber
Buried hollow space
An underground chamber is a room or enclosed space beneath the earth's surface.
The term covers natural formations like caves and man-made spaces like crypts, bunkers, tombs, and cellars.
Archaeologists discovered an underground chamber beneath the temple.
The wine was stored in an underground chamber to maintain cool temperatures.
- basementSubterranean building level
- cavernLarge natural underground chamber
- tunnelEnclosed underground route
- secret passageConcealed route through structure
- grottoSmall scenic cavern
cellar · cistern · burial site · dungeon · lava tube · rathskeller · mine shaft · catacomb · oubliette · crypt · undercroft · sepulcher · vault · bomb shelter · ossuary · mine · bunker · escape room
underground chamberattic
Space beneath the roof
penthouse · tower room · loft · garret · upper story
underground chamberrooftop terrace
Outdoor area atop building
sky deck · belvedere · outdoor amphitheater · open courtyard · gazebo
under, ground, chamber, underground, chambers, subterranean, chambered, antechamber, undergrounds