A legislative assembly — a congress, parliament, or diet where laws and policies are debated and decided.
議会は来週、新しい条例を審議する予定だ。
The assembly is scheduled to deliberate a new ordinance next week.
議会での議論は夜遅くまで続いた。
Debate in the parliament continued until late at night.
彼は議会改革の必要性を訴えた。
He argued for the need to reform the assembly/parliament.