とうす 刀子 LinksSentence search for 刀子Sentence search for とうすSentence search for とうしKanji details for 刀 and 子Edit in JMdict Noun1. small knife that is largely ornamental or used to cut open letters and the likeSee also 小刀Other forms刀子 【とうし】 Discussions Log in to talk about this word.