号車

1. Origins, structure, and basic meaning

• Structure: 号車, read ごうしゃ, denotes the sequence number assigned to a railway car, or the car bearing that number.
• Basic usage: It identifies a designated railway car or asks which numbered car contains the dining area.

2. Common pitfalls and similar expressions

• A numbered railway car
  • It denotes the position number of a car within a train, not a general vehicle registration number.