river_basin |
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| 1. | [ noun ] (geography) the entire geographical area drained by a river and its tributaries | |
| Synonyms: | basin | |
| Examples: | "flood control in the Missouri basin" |
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| Related terms: | geographical_area | |
| Similar spelling: |
riverbank river_boat river_avon river_prawn river_birch river_bottom river_boulder |
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