noun.
One who operates, inspects, or repairs brakes, especially a railroad employee who assists the conductor and checks on the operation of a train's brakes.
The Century Dictionary and Cyclopedia
noun.
A man whose business is to apply the brakes on a railroad-train which are operated by hand.
noun.
2. In mining, the man in charge of the winding-engine.
noun.
Sometimes spelled breakman, and in Great Britain often called brakesman.
the GNU version of the Collaborative International Dictionary of English
noun.
A man in charge of a brake or brakes.
noun.
The man in charge of the winding (or hoisting) engine for a mine.