上焦 Traditional form: 上焦 Pinyin (reading): shàngjiāo Definitions: (TCM) upper burner, the part of the body within the thoracic cavity (above the diaphragm, including the heart and lungs) Characters: 上 - above, on top, superior; to go up; to attend; previous 焦 - burned, scorched; anxious, vexed Traditional characters: 上 - above, on top, superior; to go up; to attend; previous 焦 - burned, scorched; anxious, vexed