Any particular extent of surface, especially an empty or unused extent.
A particular geographic region.
An open space, below ground level, giving access to the basement of a house, and typically separated from the pavement by railings.
The extent, scope, or range of an object or concept.
Genitals.
A measure of the extent of a surface; it is measured in square units.
Penalty box; penalty area.
A layer of adatoms adsorbed onto a surface, as onto the surface of a single crystal.