the area drained by a river and all its tributaries.
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Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
Also called catchment area, drainage area .
Compare watershed (def. 2).
Origin of drainage basin
An Americanism dating back to 1880–85
Words nearby drainage basin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences 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
British Dictionary definitions for drainage basin
another name for catchment area
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
Scientific definitions for drainage basin
[ drā′nĭj ]
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.