noun.
A roughly bounded part of the space on a surface; a region.
noun.
A surface, especially an open, unoccupied piece of ground.
noun.
A distinct part or section, as of a building, set aside for a specific function.
noun.
A division of experience, activity, or knowledge; a field.
noun.
An open, sunken space next to a building; an areaway.
noun.
The extent of a planar region or of the surface of a solid measured in square units.