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.
Dutch in Flanders Edit. Dutch is the majority language in Belgium, being spoken natively by three-fifths of the population. It is one of the three national languages of Belgium, together with French and German, and is the only official language of the Flemish Region.utch in Flanders Edit. Dutch is the majority language in Belgium, being spoken natively by three-fifths of the population. It is one of the three national languages of Belgium, together with French and German, and is the only official language of the Flemish Region.