糸いとノコMeaningsNoun1. fretsaw; coping saw; jigsawOther readings糸いと鋸のこ糸いとのこKanji used糸threadExamples1ジグソーとは糸いと鋸のこの事ことで、名な前まえの由ゆ来らいはそこからきているの。Jigsaw refers to a fret saw - that's how the name's origin was derived.