well curb; well kerb
The wooden or stone frame around the top of a well. Often square in traditional Japanese wells.
A stone well curb remains in the old garden.
family crest with a well curb design
A kamon (family crest) pattern based on the shape of a square wooden well curb. Used as a heraldic motif.
This family's crest is the well curb design.
round well curb
Compound of 井, “well,” and 筒, “tube or enclosure,” referring to the curb or frame surrounding a well. The reading いづつ shows voicing of つつ to づつ in the compound.