Chapeau - Wikipedia A chapeau is a flat-topped hat that is traditionally worn by senior clerics and certain nobles Such hats are worn as part of an official costume or uniform
What does CHAPEAU mean? - Definitions. net "Chapeau" is a French term signifying a hat or other covering for the head In mainland European heraldry, it is used as a mark of ecclesiastical dignity, especially that of cardinals, which is called the red chapeau