Definitions for "Couleur"
Color; -- chiefly used in a few French phrases, as couler de rose, color of rose; and hence, adjectively, rose-colored; roseate.
A suit of cards, as hearts or clubs; -- used in some French games.
Couleur (from French, in English Colour, or in the United States Color) is the expression used in European Studentenverbindungen for the caps and ribbons worn by members of student societies and German Student Corps, indicating that each society has their own colours which are derived from their individual coat of arms.