carpool /ˈkɑːpuːl/noun 2verb 1forms 3 noun2 •An arrangement whereby several people travel together in the same car in order to save costs, reduce pollution etc.The neighbors decided on a carpool to get their kids to school, so that they wouldn't each have to drive every day. •The group of people who participate in such a pool. verb1 •To travel together in such a pool. formscarpooled · carpooling · carpools
