an organization that owns cars that are shared by its members. People have to arrange in advance when they want to use a car, and pay to use it. The advantage is that members do not have to pay the whole cost of owning a car, but are able to use one when they need to.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
Click on any of the pictures above to find out what it is called.