Silk  n. 1 fine soft lustrous fibre produced by silkworms. 2 (often attrib.) Thread or cloth from this. 3 (in pl.) Cloth or garments of silk, esp. As worn by a jockey. 4 colloq. Queen's (or king's) counsel, as having the right to wear a silk gown. 5 fine soft thread (embroidery silk).  take silk become a queen's (or king's) counsel. [old english sioloc]