Definition of “area”

noun

1. any flat, curved, or irregular expanse of a surface
2. 1. the extent of a two-dimensional surface enclosed within a specified boundary or geometric figure ⇒ the area of Ireland, the area of a triangle
   2. the two-dimensional extent of the surface of a solid, or of some part thereof, esp one bounded by a closed curve ⇒ the area of a sphere
3. a section, portion, or part ⇒ an area of the body, an area of the sky
4. region; district; locality ⇒ a mountainous area
5. 1. a geographical division of administrative responsibility
   2. (as modifier) ⇒ area manager
6. a part or section, as of a building, town, etc, having some specified function or characteristic ⇒ reception area, commercial area, slum area
7. Also called: areaway. a sunken area, usually enclosed, giving light, air, and sometimes access to a cellar or basement
8. the range, extent, or scope of anything
9. a subject field or field of study
10. any unoccupied or unused flat open piece of ground
11. the ground on which a building stands, or the ground surrounding a building
12. (anatomy) any of the various regions of the cerebral cortex
13. (computing) any part of a computer memory assigned to store data of a specified type