English > drainage basin: 1 sense > noun 1, location| Meaning | The entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet. |
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| Synonyms | river basin, basin, watershed, catchment area, catchment basin, drainage area |
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| Narrower | detention basin | A storage site (such as a small reservoir) that delays the flow of water downstream |
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| retention basin | A storage site similar to a detention basin but the water in storage is permanently obstructed from flowing downstream |
| Broader | geographical area, geographic area, geographical region, geographic region | A demarcated area of the Earth |
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| Spanish | cuenca fluvial, cuenca hidrográfica, cuenca, dársena |
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| Catalan | conca hidrogràfica, conca, dàrsena |
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