Definition of "Car" :

noun: a conveyance for passengers or freight on a cable railway

"They took a cable car to the top of the mountain."

noun: a motor vehicle with four wheels; usually propelled by an internal combustion engine

"He needs a car to get to work."

noun: a wheeled vehicle adapted to the rails of railroad

"Three cars had jumped the rails."

noun: where passengers ride up and down

"The car was on the top floor."

noun: the compartment that is suspended from an airship and that carries personnel and the cargo and the power plant