Synonyms of river basin
WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. river basin, basin, watershed, drainage basin, catchment area, catchment basin, drainage area, geographical area, geographic area, geographical region, geographic region
- usage: the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet; "flood control in the Missouri basin"
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