ˈcar pool , carpool noun [countable]

1. a group of people who agree to travel together to work, school etc in one car and share the cost

2. a group of cars that a company or organization owns for its workers or members to use

[TahlilGaran] Dictionary of Contemporary English ▲

car pool
n. A group of people who own cars and take turns driving each other to work or on some other regular trip.
It was John's father's week to drive his own car in the car pool.

[TahlilGaran] English Idioms Dictionary ▲