(ˈkɑːˌʃɛə) or US and Australian carpool (kɑː puːl)
verb1. (intransitive)to take turns in driving fellow commuters to and from work or friends' children to school and back, so as to avoid the unnecessary use of several underoccupied vehicles
noun2. a group of people who carshare together
Derived forms
carsharing (ˈcarˌsharing) noun