drainage basin
English
![](Images/wiktionary/Drainage_basin.svg.png.webp)
Drainage basin
Noun
drainage basin (plural drainage basins)
- (hydrology) A topographic region in which all water drains to a common outlet; a watershed.
Synonyms
- watershed (US)
- catchment area
- catchment basin
Translations
topographic region in which all water drains to a common outlet
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