意味: かいんn. (Kanji=下院) legislative bodyn. (Kanji=下院) Lower House, one of two branches in a bicameral legislature (usually the one that is more representative and has more members); House of Representatives, one of the two legislative bodies of the United States; House of Commonsn. (Kanji=禍因) cause of troublen. (Kanji=課員) section staff