noun
colored thread; thread for cat's cradle; heddle thread
Refers to dyed or colored thread, especially used in weaving or for playing cat's cradle (あやとり). Also a technical term for heddle thread in loom weaving.
あやとりをするために、綾糸を買った。
I bought colored thread to play cat's cradle.
機織りでは、綾糸が経糸の上下を制御する。
In weaving, the heddle thread controls the raising and lowering of the warp threads.