とし 研ぎ師 LinksSentence search for 研ぎ師Sentence search for とぎしSentence search for 研師Kanji details for 研 and 師Edit in JMdict Noun1. knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.)Other forms研師 【とぎし】 Discussions Log in to talk about this word.