ustor, ōris, m. [uro],
a burner of dead bodies, a corpse-burner , Cic. Mil. 33, 90; Cat. 59, 5; Mart. 3, 93, 26; Luc. 8, 738.
ūstor ōris, m VAS-, a burner of the dead, corpse-burner . ...
An Elementary Latin Dictionary