Ministry of Education 《Revised Mandarin Chinese Dictionary》

Word 𣝓絲
Bopomofo ㄧㄢˇ ㄙ
Hanyu Pinyin yǎn sī
Interpretation
蠶食山桑後所吐的絲。質地堅韌，可作琴瑟的弦。《書經．禹貢》：「萊夷作牧，厥篚𣝓絲。」
︿