tressour
/ˈtrɛsər/
noun
- A decorative border or edging, especially in heraldry or architecture, often consisting of a repeating pattern.
- The cathedral's stained glass window was surrounded by a stone tressour.
- The medieval tapestry had a tressour of golden leaves along its edge.
- The coat of arms was framed by a tressour of intertwined vines.