Definition of Pheidippides in English:
Pheidippides
proper nounfʌɪˈdɪpɪdiːzfīˈdipəˌdēz
(5th century BC), Athenian messenger. He was sent to Sparta to ask for help after the Persian landing at Marathon in 490 and is said to have covered the 250 km (150 miles) in two days on foot.