Wiktionary(0.00 / 0 votes)Rate this definition: 1  roster(Noun) A list of names, usually for an organization of some kind such as military officers and enlisted personnel enrolled in a particular unit; a muster roll; or a sports team, with the names of players who are eligible to be placed in the lineup for a particular game.
Dutch is the official language in Belgium. Dutch is the official language in Belgium. French-speakers often pejoratively call the Dutch language used by Flemings Flemish but it is Dutch nevertheless.
Answer Wiki. Belgium is located on the language border between the Germanic languages Dutch and German and the Latin language French. Over time, in the region of what's now called Belgium the border has migrated from south to north due to French linguistic imperialism (Francization), from the idea that French would be superior to Dutch.