Chinese "Well" constellation
One of the 28 traditional Chinese mansions; used in East Asian astronomy and astrology.
See also: 井 (せい)
The Well constellation is one of the 28 mansions, corresponding to the area of Gemini.
Standard kanji form for this constellation name.
Alternate spelling using 星 instead of 宿; less common.
The reading ちちりぼし is a native Japanese name for the Chinese constellation 井宿 (Well). The derivation of ちちり is uncertain.