蚕さん糸しさんしCommon wordMeanings1nounsilk thread; silk yarnRefers to thread or yarn produced from silkworm cocoons, used in textiles and sericulture.蚕さん糸しは絹きぬ織おり物ものの原げん料りょうです。Silk thread is the raw material for silk fabrics.この地ち域いきでは蚕さん糸しの生せい産さんが盛さかんだ。Silk yarn production is thriving in this region.