n.
1.a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography)
2.a particular environment or walk of life
3.a subject of study
4.a part of a structure having some specific characteristic or function
5.a part of an animal that has a special function or is supplied by a given artery or nerve
6.the extent of a 2-dimensional surface enclosed within a boundary
Idiom of the Day
shoot one's wad
to spend all of one`s money, to say everything that is on one`s mind
My friend shot his wad at a casino during his vacation.
