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[kahr-pool] /ˈkɑrˌpul/
noun, Also, car pool
Also, carpooling, car pooling. an arrangement among a group of automobile owners by which each owner in turn drives the others or their children to and from a designated place.
those included in such an arrangement.
verb (used without object)
Also, car-pool. to form or participate in a carpool.
Origin of carpool
First recorded in 1940-45; car1 + pool2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for car-pool
Historical Examples
  • Most of those which had been rented for the day had been returned to the car-pool garages.

    Expediter Dallas McCord Reynolds
British Dictionary definitions for car-pool


verb, noun
another term for carshare
Derived Forms
carpooling, 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
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Word Origin and History for car-pool

also carpool, 1942, American English, from car + pool (n.2). As a verb from 1962. Related: Carpooled; carpooling.

Online Etymology Dictionary, © 2010 Douglas Harper
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