What is the meaning of 綛?

a reel, a unit of measure for a standard length of thread in a spool. A kase of cotton thread is 840 yards (about 768 meters), one of wool is 560 yards (about 512 meters).

clipping of 綛糸 (kaseito, “reeled thread”)

clipping of 綛車 (kasekuruma, “a skein-winder; a rotating tool for winding thread into skeins or winding it onto reels”)