upper house
noun🔊/ˌʌpə ˈhaʊs/
🔊/ˌʌpər ˈhaʊs/
(also upper chamber)
(also second chamber especially in British English)
[singular]one of the parts of a parliament in countries that have a parliament that is divided into two parts. In the UK it is the House of Lords and in the US it is the Senate. 上议院；（英国）贵族院；（美国）参议院