catch·ment ar·e·a
noun/ˈkætʃmənt eəriə/
/ˈkætʃmənt eriə/, /ˈketʃmənt eriə/
- the area from which a school takes its students, a hospital its patients, etc.
（学校的）招生地区；（医院等的）服务地区 - (also catchment)(specialist) the area from which rain flows into a particular river or lake
汇水区；汇水面积