plural of catchment area

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

plural of safe area

plural of notification area

(UK, nautical) Any of the 31 areas of sea, surrounding the British Isles, that are used in the Shipping Forecast

(euphemistic) The genitalia.

plural of planning area

(Singapore) One of the various administrative divisions of Singapore.

A hilly region in the midwestern United States that escaped glaciation during the last ice age.

Ellipsis of San Francisco Bay Area.; A region of California, United States