Meaning of “car” - Learner’s Dictionary

car

noun [ C ] uk us /kɑːr/
VEHICLE

A1 a vehicle with an engine, four wheels, and seats for a small number of passengers:

She goes to work by car.
Where did you park your car?
PART OF TRAIN US

a part of a train in which passengers sit, eat, sleep, etc:

the dining car
→ See also buffet car , cable car , estate car , sports car

(Definition of “car” from the Cambridge Learner’s Dictionary © Cambridge University Press)