Helicon, Mount Syllabification: (Hel·i·con, Mount)Pronunciation: /ˈheləˌkän, -ikən/Definition of Helicon, Mount a mountain in Boeotia, in central Greece, north of the Gulf of Corinth, that rises to 5,741 feet (1,750 m). It was believed by the ancient Greeks to be the home of the Muses. Helicon, Mount in other Oxford dictionaries Definition of Helicon, Mount in the British & World English dictionary