The 15th day of the 10th month of the lunar calendar, a traditional festival where Taoists pray for good fortune and people honor ancestors; short for 下元节 xià​yuán​jié.

The last sixty-year cycle in the 180-year cosmological period used in traditional Chinese divination.

(literary) The realm of water or the underwater palace of the gods in Taoist belief.

(bound form) Traditional medical term for the kidneys or the lower part of the body containing them.