car in WordNet English dictionary

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