A complete domicile occupying only part of a building, especially one for rent; a flat.
A conceptual space used for separation in the threading architecture. Objects in one apartment cannot directly access those in another, but must use a proxy.
The external covering at the top of a building.
The top external level of a building.
The upper part of a cavity.
An overhanging rock wall.
The surface or bed of rock immediately overlying a bed of coal or a flat vein.
To cover or furnish with a roof.
To traverse buildings by walking or climbing across their roofs.
To put into prison, to bird.
To shelter as if under a roof.