The term 'Roaring Twenties Accessory' refers to a TIARA, which is a type of headpiece typically worn by women as a form of decoration. It is usually made of precious metals or gems and is often worn on special occasions. The term 'TIARA' comes from the Greek word for 'DIADEM, ' which was a type of crown worn by rulers in ancient times. The Roaring Twenties was a period of great economic prosperity in the United States, and tiaras were a popular accessory among fashionable women during this time.