したあご 下顎 LinksSentence search for 下顎Sentence search for したあごSentence search for 下あごSentence search for かがくKanji details for 下 and 顎Edit in JMdict Noun1. lower jaw; mandibleOther forms下あご 【したあご】、下顎 【かがく】 Discussions Log in to talk about this word.