丁部 dīngbù Ding section Origin Definitions Defs Strokes Stroke Words Sentences Sents 丁 dīng fourth The fourth of the ten heavenly stems, 天干 tiāngān; also represents the fourth in a sequence, grade, or level.部 bù noun category (bound form) category; class; genus; used in terms like 部首 bùshǒu