car pool noun
plural car pools
plural car pools
Learner's definition of CAR POOL
[count]
: a group of people who regularly share a car when they are going to and from their jobs or who take turns driving each other's children to school, activities, etc.（上下班或接送孩子等情况下）拼车的一伙人
— carpool
/ˈkɑɚˌpuːl/ verb carpools; carpooled; carpooling [no object]
— carpooler
noun, plural carpoolers [count]