Definitions for "Upper House"
a way of restricting the powers of the lower house (House of Representatives) and the government derived from it that has seized most of those Parliamentary powers
One of the two Houses in a bicameral Parliament; in Victoria the Legislative Council and in Australia the Senate. Upper houses have similar powers to Lower Houses, except that they cannot initiate or amend money Bills and the Government is formed from the party that enjoys the support of a majority of the Lower House.
one of two houses in a bicameral parliament: in the States or Colonies, the Legislative Council, and in the Australian parliament, the Senate