burial vault

English Thesaurus

1. a burial chamber (usually underground) (noun.artifact)

hypernym	:	burial chamber, sepulcher, sepulchre, sepulture,
definition	:	a chamber that is used as a grave (noun.artifact)

hyponym	:	charnel, charnel house,
definition	:	a vault or building where corpses or bones are deposited (noun.artifact)

hyponym	:	columbarium,
definition	:	a sepulchral vault or other structure having recesses in the walls to receive cinerary urns (noun.artifact)