catchment : Idioms & Phrases
catchment area
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noun the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
watershed; catchment area; basin; river basin; drainage area; drainage basin.
- flood control in the Missouri basin
WordNet
catchment basin
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noun the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
watershed; catchment area; basin; river basin; drainage area; drainage basin.
- flood control in the Missouri basin