降こう水すいTop 15000MeaningsNoun1. rainfall; precipitationKanji used降descend水waterPitch accentこうすいUsed in vocabulary降こう水すい量りょうamount of precipitation; precipitationNoun無む降こう水すいlack of rainfall; droughtNoun降こう水すい確かく率りつchance of precipitation; chance of rainNoun線せん状じょう降こう水すい帯たいrainband; lengthy band of rainNoun