drainage basin

American  

noun

1. the area drained by a river and all its tributaries.

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drainage basin British  

noun

1. another name for catchment area

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drainage basin Scientific  

/ drā′nĭj /

1. An area drained by a river system. A drainage basin includes all areas that gather precipitation water and direct it to a particular stream, stream system, lake, or other body of standing water.

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Etymology

Origin of drainage basin

An Americanism dating back to 1880–85

Example Sentences

See Examples For:

drainage basin

While many hazards have been fixed, there are still cracked or overgrown pathways, a flooded drainage basin, and metal pipes or electrical wires protruding into the recently completed children’s play area.

From BBC ● Aug. 27, 2024

And although the Ruki's drainage basin makes up only a twentieth of the entire Congo Basin, a fifth of the dissolved organic carbon in the Congo comes from this one tributary.

From Science Daily ● Oct. 18, 2023

Negotiators have an opportunity to hammer out an agreement reflecting today’s values and priorities, equipping the drainage basin — which is the size of France — to meet diverse challenges.

From Seattle Times ● Aug. 9, 2023

A man, identified by the coroner as Anthony Ray Lopez Sr., 63, of Ontario, was found in the drainage basin and pronounced dead at the scene about 12:04 p.m.

From Los Angeles Times ● Nov. 14, 2022

They would learn that there are in the territory included in the drainage basin of the Colorado River unlimited deposits of phosphate rock from which all needed phosphate could be mined.

From Our National Defense: The Patriotism of Peace by Maxwell, George Hebard