かんぼつちくび 陥没乳首 LinksSentence search for 陥没乳首Sentence search for かんぼつちくびKanji details for 陥, 没, 乳 and 首Edit in JMdict Noun1. inverted nipple; retracted nippleAnatomy, See also 陥没乳頭 Discussions Log in to talk about this word.