背部 Traditional form: 背部 Pinyin (reading): bèibù Definitions: back (of a human or other vertebrate, or of an object) Characters: 背 - back, backside; to betray, to violate 部 - department, ministry; division, unit; part, section Traditional characters: 背 - back, backside; to betray, to violate 部 - department, ministry; division, unit; part, section