Pronunciation: (kär'pOOl"), [key]
—n. Also,car' pool".
1. Also,car'pool"ing,car' pool"ing.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.
Also,car'-pool".to form or participate in a carpool.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.