Pisistratus Syllabification: (Pi·sis·tra·tus)Pronunciation: /piˈsistrətəs/ (also Peisistratus)Definition of Pisistratus (circa 600-circa 527 bc), tyrant of Athens. He reduced aristocratic power in rural Attica and promoted the financial prosperity and cultural preeminence of Athens. Pisistratus in other Oxford dictionaries Definition of Pisistratus in the British & World English dictionary