the nonelective, upper house of the British Parliament, comprising the lords spiritual and lords temporal.
British Dictionary definitions for House of Lords
House of Lords
noun
1.
(in Britain) the upper chamber of Parliament, composed of the peers of the realm
House of Lords in Culture
House of Lords definition
The upper house of the parliament of Britain. The House of Lords is composed of the leading clergy and nobles of the country. (CompareHouse of Commons.)