(history) a 律令 (ritsuryō) position in the 後宮 (Kōkyū, “Seraglio”) that manages water and ice

(history) a 律令 (ritsuryō) position in the 後宮 (Kōkyū, “Seraglio”) that manages water and ice / Alternative spelling of 主水司

the Wei River

spirogyra

(chemistry) hydration (incorporation of water molecules into another compound)

subterranean river / water from a subterranean river

water pipe, drain / (anatomy) siphon, a part of the mollusk body

brackish water, the mixture of river water and sea water around the mouth of a river.

Synonym of 漢江: Han River (in Shaanxi and Hubei, China)

tap water, running water.