noun
lower house (of parliament, congress, diet)
Refers to the lower chamber in a bicameral legislature, such as the House of Representatives in Japan or the House of Commons in the UK. Often contrasted with 議会上院 (upper house).
See also: 議会上院
日本の議会下院は衆議院と呼ばれる。
The lower house of Japan's parliament is called the House of Representatives.
議会下院の選挙が来月行われる。
The lower house election will be held next month.
Compound of 議会 (parliament, congress) + 下院 (lower house). 下院 itself is composed of 下 (lower) and 院 (institution, house).