trainmaster (plural trainmasters)
- A superintendent or supervisor of an American U.S. freight railroad. The trainmaster is responsible for enforcing policies of the rail company, for train movements, locomotive assignments, crew assignments, personnel management, discipline, derailments and more. In the past, trainmasters were promoted brakemen or conductors who retained their union seniority.
- Brotherton, William J. Burlington Northern Adventures: Railroading in the Days of the Caboose