What is the meaning of car?

noun

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