ARIOLI, in Antiquity, a kind of prophets, or religious conjurers, who by abominable prayers, and horrible sacrifices at the altars of idols, procured answers to their questions concerning future events. Ibid. Orig. lib. viii. cap. 9. These are also called barioli, and the operation bariolation. Sometimes they were denominated aruspices or haruspices. The arioli were distinguished by a slovenly dress, disorderly and matted beards, hair, &c.