car (Noun) — A motor vehicle with four wheels; usually propelled by an internal combustion engine. ex. "he needs a car to get to work"
car (Noun) — A wheeled vehicle adapted to the rails of railway. ex. "three cars had jumped the rails"
car (Noun) — The compartment that is suspended from an airship and that carries personnel and the cargo and the power plant.
car (Noun) — Where passengers ride up and down.
car (Noun) — A conveyance for passengers or freight on a cable railway. ex. "they took a cable car to the top of the mountain"