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.
Hatching. In embroidering and weaving, the art of disposing threads so as to give the effect of shading according to the shape and character of the object represented. Also, a thread made for this purpose, or such threads collectively.