(mathematics) A measure of the extent of a surface; it is measured in square units. / A particular geographic region. / Any particular extent of surface, especially an empty or unused extent.

plural of area

(UK, obsolete) A thief who steals from kitchens and cellars.

plural of area sneak

A district, quarter, or similar locale that is significantly dependent on revenue from tourism.

(US, espionage) An extremely hostile operational environment with heavy surveillance.

(US) A subdivision of the Unorganized Borough in the U.S. state of Alaska, used by the United States Census Bureau to facilitate census-taking in the vast unorganized area.

(American spelling) Alternative form of grey area

(cricket) the central, rectangular area of the pitch onto which the bowlers may not run during their follow through

(idiomatic) An area intermediate between two mutually exclusive states or categories, where the border between the two is fuzzy.