crypt
Definitions
An underground room or vault beneath a church, often used as a burial place.
A chamber or vault, especially one used for the burial of the dead.
Examples
The ancient king was laid to rest in a stone crypt beneath the cathedral.
A chilling draft blew from the dark crypt as we descended the stairs.
The explorers discovered mysterious inscriptions carved into the walls of the underground crypt.
Synonyms
vault tomb catacomb sepulcher mausoleum burial chamber grave