tressures
/ˈtrɛʃərz/
noun
- A decorative border or frame, especially in heraldry, consisting of a narrow band that runs parallel to the edge of a shield.
- The coat of arms featured a gold tressure on a blue background.
- The royal banner was edged with a double tressure of red and white.
- In heraldic design, a tressure often appears as a thin inner border.