DCHP-1 Online
Centre Block 
the middle building of the three that make up the Parliament Buildings in Ottawa; the building in which the Commons and the Senate chambers are located.
See also: East Block West Block
- 1964 But for the majority of the press gallery members, "the office" is a cluttered desk on the Centre Block's third floor, halfway between the Commons and the Senate chambers.
- 1964 But for the majority of the press gallery members, "the office" is a cluttered desk on the Centre Block's third floor, halfway between the Commons and the Senate chambers.