乳ち兄きょう弟だいMeaningsNoun1. foster sibling; foster brother; foster sisterKanji used乳milk兄older brother弟younger brotherPitch accentちきょうだいComposed of乳ちmilk; breast; loop; decorative bump (on a hanging bell)Noun兄きょう弟だいbrothers and sisters; siblings; half-siblings; step-siblings; siblings by marriage or adoption; mate; friendNoun