noun
Refers to a loop of rope, wire, or similar material, often used for catching animals or as a trap. Can also refer to a loop in a more general sense.
猟師はウサギを捕まえるために輪差を仕掛けた。
The hunter set a snare to catch a rabbit.
ロープの端に輪差を作ってください。
Please make a loop at the end of the rope.
Compound of 輪 (わ, 'ring, loop') and 差 (さ, 'to insert, to put through'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of a loop or snare.