Of or relating to Flanders or its people or language or culture WordNet 3.0 & Open English WordNet

Of or relating to Flanders, either as the historical county of Flanders (the current provinces of West Flanders and East Flanders in Belgium, Zeelandic Flanders in the Netherlands and French Flanders); or as the Dutch-speaking region of Belgium. Wiktionary

Of or relating to Flanders. Wiktionary (translation)