tressure
/ˈtreʃə(r)/noun
1- Heraldry a thin border inset from the edge of a shield, narrower than an orle and usually borne double【纹章】双边线（盾形纹章的细边线, 窄于内缘饰边）。
1.1
- an ornamental enclosure containing a figure or distinctive device, formerly found on various gold and silver coins（数字、独特图案的）装饰围框线（原见于各种金、银币）。
词源
Middle English (denoting a ribbon or band for the hair)： from Old French tressour （see TRESS）.