Bureau of Onmyō; government office in charge of astronomical observations, divination and calendar making (under the ritsuryo system)
① 陰陽五行説と干支を組み合わせて発達した日本独自の方術の一つで、星の動きにより吉凶禍福を占った。
the cosmic dual forces (yin and yang) and the five elements (metal, wood, water, fire and earth) in Chinese cosmology
diviner (esp. of the Yin and Yang system); sorcerer; exorcist; medium