(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

string bean, pea pod

a performance (of music); a recital

the country; countryside; a rural area / cultivated land

a far away place, a distant location

reserve / hesitation / forethought, foresight