参さん議ぎ院いんさんぎいんCommon word›JLPTN1›Freq.FrequencyTop 10,000じ字FuriganaMeanings1nounHouse of CouncillorsThe upper house of Japan's National Diet. Often contrasted with 衆議院 (House of Representatives).See also: 衆議院参さん議ぎ院いんは衆しゅう議ぎ院いんとともに国こっ会かいを構こう成せいする