衆しゅう参さん両りょう院いんしゅうさんりょういんMeanings1nounboth houses of the DietRefers to the House of Representatives (衆議院) and the House of Councillors (参議院) together. Used in political and legislative contexts.衆しゅう参さん両りょう院いんで法ほう案あんが可か決けつされた。The bill was passed in both houses of the Diet.