(hydrology) An area from which water drains into a particular lake, river, etc.; the catchment area of a large river includes its tributaries.

(rhetorical question, informal) Indicates that the interlocutor (more precisely, the one being asked the question) is acting in a crazy or unprecedented way.

(psychology, sociology) The phenomenon in psychological and sociological research that people seem to associate more positive attributes with women in general than with men in general, reflecting an emotional bias.

plural of safe area

plural of notification area

(software engineering) Given a large enough beta tester and codeveloper base, almost every problem will be characterized quickly and the fix will be obvious to someone.

A group of cooperating people can succeed in a situation where an individual person cannot.

(idiomatic) Used to describe a place where it is easy to become wealthy or live well.

It is not possible to judge a person's character from their outward appearance.

Synonym of the grass is always greener on the other side