upper house 
noun
1The higher house in a bicameral parliament or similar legislature: they have veto powers through their seats in the Bundesrat, the upper house of parliament...
- The introduction of self-government from the 1850s created bicameral parliaments, with elected lower houses but nominated upper houses in two colonies.
- Some 200 strikers demonstrated outside the Senate upper house of parliament.
- He had to be appointed to the Indian upper house of parliament or Rajya Sabha.
1.1 (the Upper House) (In the UK) the House of Lords.Not surprisingly, with the government deeply unpopular and an Upper House election coming this summer, he probably won't be around to clear up the mess he helped create and has now so graphically described....
- We already have a Conservative proposal for an Upper House in which eighty per cent of the members are elected.
- But she does a good job in describing the jobs an Upper House might do, and the membership it might need to do them.