This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Nom-De-Drap (Nom'-De-Drah). [A French phrase for cloth in name] A term applied to silk dress fabric made of pure silk-worm-silk, with only enough admixture in the dye to carry the color; silk of the most durable kind. [See Silk, Adulteration of Fabrics]