し う歯 LinksSentence search for う歯Sentence search for うしSentence search for 齲歯Sentence search for くしKanji details for 歯Edit in JMdict Noun1. carious tooth; decayed toothFormal or literary termOther forms齲歯 【うし】、齲歯 【くし】 Discussions Log in to talk about this word.