The term WEAVING NEED can be summarized by the crossword solution LOOM, which is a four-letter word. A LOOM is a device used in weaving, which is the process of interlacing two sets of threads or yarns together to form a fabric or cloth. The LOOM holds the warp threads in place while the weft threads are woven through them. Weaving is an ancient craft that has been practiced for centuries and is still used today to create fabrics for clothing, upholstery, and other items.