- another name for an upper house
WordReference Random House Unabridged Dictionary of American English © 2025
up′per cham′ber.
- GovernmentSee upper house.
Collins Concise English Dictionary © HarperCollins Publishers::
'upper chamber' also found in these entries (note: many are not synonyms or translations):
House of Lords
- Seanad Éireann
- Senate
- States-General
- atrium
- auricle
- legislative council
- loft
- solar