下巴颏儿 xiàbakēr chin Definitions Defs Origin Strokes Stroke Words Sentences Sents 下巴 xiàba noun chin chin; lower jaw颏 頦 kē chin (bound form) chin; the bottom part of the face below the mouth; also known as 下巴 xiàba or 下颏 xiàkē儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.