catchment basinn.
/ˈkatʃm(ə)nt ˌbeɪsn/, U.S. /ˈkɛtʃm(ə)nt ˌbeɪsn/, /ˈkætʃm(ə)nt ˌbeɪsn/ The area of land drained by a particular river system, reservoir, or other body of water; a drainage basin; = catchment n. 1, catchment area n. 1. Cf. watershed n.1 3(b).
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the world > the earth > land > land mass > shore or bank > land near river > [noun] > catchment area
valleyc1790
basin1804
river basin1824
watershed1839
catchment1844
catchment basin1844
drainage1866
gathering-ground1877
drainage-basin1882
catchment area2001
1844 R. Kane Industr. Resources Ireland iii. 212 The catchment basin of this reservoir would have an area of 6070 acres, chiefly mountain bog.
1881 Times 3 Feb. 9/4 We have..eleven [rivers] with catchment basins exceeding a thousand square miles.
1949 Manch. Guardian 27 Oct. 4/5 Over the Thames catchment basin twice as much rain has fallen in the last 18 days as normally falls during the whole of October.
2012 M. Reckermann et al. Climate Impacts on Baltic Sea p. v With a catchment basin covering almost 20% of the European continent, the Baltic Sea is one of the largest brackish seas in the world.
This entry has been updated (OED Third Edition, December 2018; most recently modified version published online December 2021).
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n.1844