/ˈkætʃmənt eəriə ||; ˈkætʃmənt ˌɛrɪə/noun[C] 1 the area from which a school gets its students, a hospital gets its patients, etc 属区（某学校可在该区招生、某医院可为该区居民服务等）
2 (also catchment) (technical术语) the area from which rain flows into a particular river or lake （江河或湖泊的）汇水面积，汇水盆地