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.
Tricot (Tre'-Ko). A French term signifying stocking net; tricotage means knitting, and tricoteur, knitter, hence the particular weave known as tricot, often found in flannel and other woolen cloths, is so called on account of its intended resemblance to a knitted web. Tricot cloth is a fine woolen material, of the weave above referred to, it is usually dyed black or dark navy blue, and used for men's clothing. Tricot flannel is a double width dress fabric, of coarse texture.