1) Edging 2) Ricrac 1) Passementerie 2) Ricrac 3) Trim 4) Trimming 5) Zigzag trim 
Rickrack is a `flat narrow braid woven in zigzag form, used as a trimming for clothing or curtains.` Made of cotton or polyester rickrack is stitched or glued to the edges of an item. Its zig-zag configuration repeats every third of an inch (about one centimeter) and is sold in multiple colors and textures. Rickrack`s popularity peaked in the 1......
• (n.) A kind of openwork edging made of serpentine braid.
Rick'rack` noun A kind of openwork edging made of serpentine braid. 
[n] - a narrow zigzag ribbon used as trimming
ricrac noun a narrow zigzag ribbon used as trimming