sley /sleɪ/noun 3verb 1forms 3 noun3 •Reed (of a loom). •The number of warp ends per inch in the cloth. •A guideway in a knitting machine. verb1 •To separate or part warp threads and arrange them in a reed.Centering for a weaving width of 15 7/15", sley 2 ends per dent in a 15-dent reed, or centering for a width of 15 5/10", sley 3 ends per dent in a 10-dent reed. — 2026 formssleyed · sleying · sleys