The British Parliament is divided into the House of Lords and the House of Commons.
Tips
usage
Pairs with 下议院 (lower house / House of Commons). Used to translate every bicameral upper chamber: UK House of Lords, US Senate (also 参议院), Japanese 参议院, French Senat. 参议院 is more common for the U.S. specifically; 上议院 is the generic/UK-flavored term.