area

noun

1.
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
Derived from:
areal
2.
a subject of study
3.
a part of an animal that has a special function or is supplied by a given artery or nerve
4.
a particular environment or walk of life
5.
a part of a structure having some specific characteristic or function
6.
the extent of a 2-dimensional surface enclosed within a boundary
Derived from:
areal