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to; traditional unit of volume, approx. 18 litres
square bearing block (at the top of a pillar)
Chinese "Dipper" constellation (one of the 28 mansions)
「斗」 has other readings with different meanings.
昔は米を斗という単位で量っていた。
In the old days, rice was measured with a to.
一斗は米を量る単位です。
One 'to' is a unit for measuring rice.
この斗は江戸時代のものだと言われている。
This measuring box is from the Edo period.