What term refers to a cremation grave in ancient Rome?

The term that refers to a cremation grave in ancient Rome is "bustum." In Roman funerary practices, a bustum specifically denotes a grave or tomb built for the burial of ashes following cremation. This term can also refer to the place where the funeral pyre was set up for the cremation itself.

In the context of Roman funerary customs, it was common for the remains of the deceased to be placed in urns after their bodies were cremated, and these urns would then be housed in a bustum. The significance of the bustum lies in its association with both the act of cremation and the memorialization of the deceased.

The other choices refer to different aspects of ancient Roman funerary practices. "Necropolis" refers to a large burial area or cemetery, often on the outskirts of a city, meant for multiple burials. "Sarcophagus" typically describes an ornate stone coffin, which was used mainly for inhumation rather than for cremated remains. "Pyrgos," while related to fire (the Greek word relates to 'tower', commonly associated with places where offerings or fires were made), is not used specifically to denote a cremation grave. Thus, "bustum" is the