Definition of Peroz i

Peroz I (Pirooz, Peirozes, Priscus, fr. 33; Perozes, Procop. Pers. I. 3 and Agath. iv. 27; the modern form of the name is Perooz, Piruz, or the Arabized Ferooz, Firuz), was the seventeenth Sassanid King of Persia, who ruled from 457 to 484. Peroz I was the eldest son of Yazdegerd II of Persia (438–457).