noun
- The entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet.
- usage: "flood control in the Missouri basin"
- synonyms: basin, watershed, drainage basin, catchment area, catchment basin, drainage area
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). river basin. Retrieved September 22, 2026, from http://smartdefine.org/river_basin/definitions/1224116 |
| Chicago | WordNet. 2010. "river basin" http://smartdefine.org/river_basin/definitions/1224116 (accessed September 22, 2026). |
| Harvard | WordNet 2010, river basin, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/river_basin/definitions/1224116>. |
| MLA | WordNet. "river basin" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/river_basin/definitions/1224116> |