A mezzanine is an intermediate floor in a building which is partly open to the double-height ceilinged floor below, or which does not extend over the whole floorspace of the building, a loft with non-sloped walls. However, the term is often used loosely for the floor above the ground floor, especially where a very high-ceilinged original ground floor has been split horizontally into two floors.

The Capitol Cinema was the largest movie theatre ever built in Ottawa, Ontario, Canada, and was the city's only true movie palace. Opened in 1920, the 2530-seat cinema was regarded as one of the best cinemas designed by famed theatre-architect Thomas W. Lamb.