both houses of parliament; both chambers
Refers to the two chambers of a bicameral legislature, typically the upper and lower houses. In Japan, this means the House of Representatives and the House of Councillors.
法案は両院で可決された。
The bill was passed by both houses.
両院協議会が開かれた。
A joint conference of both chambers was held.
The bill passed both houses and became law.
This issue is being deliberated in both houses.
both houses of the Diet
joint committee of both houses
joint meeting of both houses