From WordNet (r) 3.0 (2006):
car n 1: a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work" [syn: car, auto, automobile, machine, motorcar] 2: a wheeled vehicle adapted to the rails of railroad; "three cars had jumped the rails" [syn: car, railcar, railway car, railroad car] 3: the compartment that is suspended from an airship and that carries personnel and the cargo and the power plant [syn: car, gondola] 4: where passengers ride up and down; "the car was on the top floor" [syn: car, elevator car] 5: a conveyance for passengers or freight on a cable railway; "they took a cable car to the top of the mountain" [syn: cable car, car]