noun, takes する, transitive verb

  1. washing with water, rinsing, flushing.

Variations

Pronunciation Kanji Kana Is Common
水洗 すいせん

Contained Kanji Breakdown

water
みず スイ み (1st, N5)
wash, inquire into, probe
あら.う セン あらい (6th, N3)
water, water radical (no. 85)
さんずい
before, ahead, previous
セン さき ま.ず (1st, N5)
legs radical (no. 10)
ジン ニン がい (Kentei 1)