遣り水
や
り
み
ず
Meanings
1
garden stream; narrow stream in a traditional Japanese garden
Refers to a small, often artificial stream in a Japanese garden, especially associated with Heian-period shinden-zukuri architecture.
See also: 寝殿造り
A garden stream flowed through the shinden-zukuri style garden.
2
watering plants; watering potted plants or bonsai
Used for the act of watering plants, especially potted plants or bonsai. Less common than 水やり in everyday speech.
It's best to water bonsai early in the morning.