catacomb
Definitions
An underground cemetery consisting of a subterranean gallery with recesses for tombs.
Any subterranean place of burial or a series of interconnected underground passages.
Examples
The explorers ventured deep into the ancient catacomb, their flashlights cutting through the thick, stagnant air.
Rows of weathered skulls lined the walls of the dark catacomb, serving as a silent reminder of the city's long-forgotten past.
Synonyms
crypt vault burial chamber underground tomb sepulcher ossuary subterranean passage