Silk thread made for tailors and dressmakers, and also for knitting, embroidery, or other work.(noun)
The Century Dictionary (Public Domain)
Use "sewing-silk" in a sentence
"And to make the gift complete, buy linen for the body-lining; stiff, glazed muslin for the facings, buttons, sewing-silk, and whatever else may be wanted."
"I picked up the vest, and in doing so unrolled the same, when lining, sewing-silk and padding were all disengaged, so that the nimble fingers of the poor child picked up, and brushed, and packed them together again with scrupulous care; and tying them firmly, she gave me a sweet smile and bounded along."
"If a shade of sewing-silk were wanting, or a choice button, or a bit of braid or tape, Aunt Esther cheerfully volunteered something from her well-kept stores, not regarding the trouble she made herself in seeking the key, unlocking the drawer, and searching out in bag or parcel just the treasure demanded."