A twisted shape the convolutions of the surface of the cerebrum
1. an irregular spiral or twisted condition characteristic of mature cotton fiber. it is visible under a microscopic. the finer fibers are generally more twisted than the coarser fibers. 2. coil and curl in certain types of textured yarns which provide bulkiness to the yarn. cop: 1. a headless tube upon which yarn or thread is wound. 2. thread or yarn wound into the shape of a hollow cylinder with tapered ends. 3. filling yarn wound upon a tapered tube (generally paper).