1) Braid 2) Braiding 3) Decorative braid 4) Gold braid 
A soutache is narrow flat decorative braid, a type of galloon, used in the trimming of drapery or clothing. In clothing soutache is used to conceal a seam. In military uniforms a particular width or color of soutache is used to indicate rank, particularly in a hat. In athletic uniforms a contrasting soutache is used to outline numbers or players`....
narrow braid used for trimming
• (n.) A kind of narrow braid, usually of silk; -- also known as Russian braid.
(from the article `braiding`) ...are frequently used as trimming or binding. Flat braid may be used to produce a decorative border effect on garments or home furnishings or may be ...
Sou`tache' noun [ French] A kind of narrow braid, usually of silk; -- also known as Russian braid . 
Soutache consists of loops similar to a ribbon, made of silk or other material, primarily attached by hand on fabric in an intricate pattern. Soutache is both used in lingerie and swimwear and represents one of the most sophisticated types of workmanships used by lingerie designers.
[n] - a narrow braid used as a decorative trimming
A flat, decorative braid usually consisting of narrow loops, similar to crochet. Most commonly used as a trim or accent on women’s clothing.
noun a narrow braid used as a decorative trimming