the Campus Martius, was a structure wherein the emperor Augustus sat, and after him the bodies of his successors, were burnt. It was built of white stone, surrounded with an iron palliade, and planted within side with alder trees.

Bustum was also figuratively applied to denote any tomb. Whence those phrases, facere bustum, violare bustum, &c.

Bustum of an Altar, was the hearth or place where the fire was kindled.