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Meaning of carpool

car•pool

Pronunciation: (kär'pl"), [key]
— n.
  1. 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.
  2. those included in such an arrangement.
—v.i.
  1. to form or participate in a carpool.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.