drainage basin
noun
the area drained by a river and all its tributaries.Also called catchment area, drainage area.Compare watershed(def 2).
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RELATED WORDS
Nearby words
- drahthaar,
- drail,
- drain,
- drain rod,
- drainage,
- drainage tube,
- drainage wind,
- drainageway,
- drainboard,
- drainer
Origin of drainage basin
An Americanism dating back to 1880–85
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for drainage basin
Taken as a whole, the Two Medicine drainage-basin is an epitome of Glacier in miniature.
The Book of the National Parks|Robert Sterling Yard
drainage basin
drainage area
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
drainage basin
[drā′nĭj]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.