See also: Green Chamber Senate Chamber
- 1905  The innocent hawbuck who imagines that the red chamber is full of dignity and high thoughts has never listened to the debates from the galleries, for the ultra-prudish newspapers suppress the graphic and staggering parts of the debate which create the atmosphere.
- 1966  The House of Commons is sometimes called the Green Chamber and the Senate the Red Chamber because the carpet, the leather chair bottoms, and the desk blotters are all green, whereas in the Senate they are red.
2 the Senate (def. 1) itself.