To lay a heavy, textured, or metallic thread flat against the surface of a base fabric and tack it in place using a finer, secondary thread. This technique allows embroiderers to incorporate yarns that are too thick or fragile to be pulled directly through the fabric weave.
Heard on the job
You'll need to couch down that gold bullion thread carefully so it doesn't fray at the turns.
Related terms
Couching
An embroidery technique where decorative threads are laid on the fabric surface and tacked in place.
Motif
A distinct, recurring design element or standalone applique applied to a textile.
Fancy stitch
Any complex or decorative stitch pattern used primarily for visual effect rather than structural integrity.