Silk thread is a type of thread made from the natural protein fibers found in the cocoons of silkworms. It is often used for embroidery, weaving, and other decorative purposes. The crossword solutions for the term 'silk thread' are FLOSS (5 letters), TWIST (5 letters), FILO (4 letters), and TRAM (4 letters). FLOSS is a type of thread that is very thin and soft, and is often used for embroidery. TWIST is a type of thread that has been twisted together to make it stronger. FILO is a type of thread that is made from two or more strands of thread that have been twisted together. TRAM is a type of thread that is made from multiple strands of thread that have been woven together.