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catchment area

American  

noun

  1. an area served by a hospital, social service agency, etc.

  2. drainage basin.

catchment area British  

noun

  1. Also called: catchment basin.   drainage area.   drainage basin.  the area of land bounded by watersheds draining into a river, basin, or reservoir

  2. the area from which people are allocated to a particular school, hospital, etc

"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
catchment area Scientific  
/ kăch′mənt,kĕch′- /

  1. The area drained by a river or body of water.

  2. The area that absorbs water that contributes to a specific region's groundwater supply.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.