Noun
1. a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography);
"it was a mountainous area""Bible country"2. a particular environment or walk of life;
"his social sphere is limited""it was a closed area of employment""he's out of my orbit"3. a subject of study;
"it was his area of specialization""areas of interest include..."4. a part of a structure having some specific characteristic or function;
"the spacious cooking area provided plenty of room for servants"5. a part of an animal that has a special function or is supplied by a given artery or nerve;
"in the abdominal region"6. the extent of a 2-dimensional surface enclosed within a boundary;
"the area of a rectangle""it was about 500 square feet in area"