かりゅう 下流 Common word LinksSentence search for 下流Sentence search for かりゅうKanji details for 下 and 流Edit in JMdict Noun1. downstream; lower reaches of a riverまず、わたし私のかつどうはんい活動範囲は、おもに養老川かりゅう下流いき域です。First off, my area of work is mainly in the lower reaches of the Yourou River.Noun2. lower classesAntonym: 上流 Discussions Log in to talk about this word.