- car, railcar, railway car, railroad car - a wheeled vehicle adapted to the rails of railroad; "three cars had jumped the rails"
--1 is a kind of wheeled vehicle
--1 is a member of train, railroad train
--1 has parts: suspension, suspension system
--1 has particulars:baggage car, luggage van; cabin car, caboose; club car, lounge car; freight car; guard's van; handcar; mail car; passenger car, coach, carriage; slip coach, slip carriage; tender