galloon means: 1. A braid that has a very decorative appearance. It is often made in silver, gold or any other metallic color. This braid is often decorated with colored stones or jewels and can be used as an ornament for evening wear. Two lace with matching edges at both ends. Trimming: 3 Braid or tape of narrow width. (in Fashion Dictionary)

What else does galloon mean?

This is a narrow braid or band that’s used for trimming. It can be made from lace, metallic thread or embroidery. (in Merlin Dictionary)