Railroad car and Wheeled vehicle

Railroad car noun - A wheeled vehicle adapted to the rails of railroad.

Wheeled vehicle and railroad car are semantically related. In some cases you can use "Wheeled vehicle" instead a noun phrase "Railroad car".

Wheeled vehicle noun - A vehicle that moves on wheels and usually has a container for transporting things or people.

Railroad car and wheeled vehicle are semantically related. Sometimes you can replace phrase "Railroad car" with "Wheeled vehicle", this phrases are similar.