plain glossy silk
• (n.) A plain, stout, lustrous silk, used for ladies` dresses and for ribbon.
A glossed silk fabric with a ribbed pattern, used from the 14th to 16th centuries. It applied specifically in the 17thC to a form of taffeta which was stretched and then coated with a glossy gum. Lutestring or lustring was used in the 17th and 18th centuries particularly as a dress fabric and for bed and window curtains.
Lute'string` noun [ Corrupted from lustring .] A plain, stout, lustrous silk, used for ladies' dresses and for ribbon. Goldsmith. 
a silk fabric of high sheen, formerly used in the manufacture of dresses. · a narrow ribbon finished with a high gloss.