noun
baggage car; luggage van
A railway car specifically for transporting passengers' luggage and parcels, distinct from passenger cars and freight cars.
昔の長距離列車には荷物車が連結されていた。
Long-distance trains in the past had a baggage car attached.
客車 is a passenger car, whereas 荷物車 is a separate car for luggage, often attached to passenger trains.
Compound of 荷物 (にもつ, 'luggage') and 車 (しゃ, 'car, vehicle').