This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A member of the operating crew on a railroad train, especially the brakeman.

n. A person who works on a railway / railroad

n. A brakeman

a member of the crew of a railroad train, often an assistant to a conductor.

n. A man employed on a railway-train, as a brakeman or a porter.

n. an employee of a railroad

"“Grand Central Station!” called the trainman, as, after a few minutes of darkness and smoke, daylight reappeared."

employee   

yardmaster    train dispatcher    trainmaster    brakeman    yardman    signalman   

lieutenant    pipe-dream    ji'e'toh    shadow    gateman    thuggi    spilth    layabout    lion-tamer    hoquat