Rare architectural term for the wooden frame or curb around a well. Often encountered in the compound 井桁 (いげた).
See also: 井桁
Old wells sometimes still have a well curb called 井桁.
Well constellation
One of the 28 Chinese mansions, part of the Vermilion Bird (朱雀) group. Used in traditional East Asian astronomy.
The Well is one of the 28 mansions, included among the seven mansions of the Vermilion Bird.
the street; the town; the world of common people
oil well
well bottom; narrow place
wooden watchtower; battlefield watchtower
well water
The kanji 井 originally depicts a well frame. The reading せい is the Sino-Japanese on'yomi, used in technical and astronomical terms.