noun
Chinese "Well" constellation
One of the 28 traditional Chinese mansions; used in East Asian astronomy and astrology.
See also: 井 (せい)
井宿は二十八宿の一つで、ふたご座の領域にあたる。
The Well constellation is one of the 28 mansions, corresponding to the area of Gemini.
Refers to the same Chinese constellation but uses the on'yomi reading; ちちりぼし is the native Japanese name.
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.