Volos Syllabification: (Vo·los)Pronunciation: /ˈvōˌläs, -ˌlôs/Definition of Volos a port on an inlet of the Aegean Sea, in Thessaly, in eastern Greece; population 82,000 (est. 2009). Greek name Vólos. Volos in other Oxford dictionaries Definition of Volos in the British & World English dictionary