Simple Definition of catchment area
: the area from which water flows into a river, stream, etc.
: the area that a school, hospital, etc., provides a service to
Full Definition of catchment area
1 : an area that serves to catch water
2 : the geographical area served by an institution
First Known Use of catchment area
Medical Definition of catchment area
: the geographical area served by an institution
Learn More about catchment area
Britannica.com: Encyclopedia article about catchment area
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