Car (n.) A small vehicle moved on wheels; usually, one having but two wheels and drawn by one horse; a cart.

Car (n.) A vehicle adapted to the rails of a railroad.

Car (n.) A chariot of war or of triumph; a vehicle of splendor, dignity, or solemnity.

Car (n.) The stars also called Charles's Wain, the Great Bear, or the Dipper.

Car (n.) The cage of a lift or elevator.

Car (n.) The basket, box, or cage suspended from a balloon to contain passengers, ballast, etc.

Car (n.) A floating perforated box for living fish.