Definition of (と)

to

noun
1.
to, traditional unit of volume, approx. 18 litres
2.
square bearing block (at the top of a pillar)
See also:枡形
3.
Chinese "Dipper" constellation (one of the 28 mansions)(astronomy term)
Related Kanji
Big Dipper, ten sho (vol), sake dipper, dots and cross radical (no. 68)