WaterfordPronunciation: /ˈwɔːtəfəd/Definition of Waterford a county in the south-east of the Republic of Ireland, in the province of Munster; main administrative centre, Dungarvan. the county town of Waterford, a port on an inlet of St George’s Channel; population 45,748 (2006). Waterford in other Oxford dictionaries Definition of Waterford in the US English dictionary