The term TOP HAT can be broken down into two crossword solutions: TOPPER (6 letters) and HAT (3 letters). A TOPPER is a type of HAT that is typically tall and cylindrical in shape, often made of felt or silk. It is usually worn as part of formal attire and is associated with the upper classes. The term 'top HAT' is also used to refer to this type of HAT. It is believed to have originated in the late 18th century and has been popular ever since.