WordReference Random House Unabridged Dictionary of American English © 2025
train•man
(trān′mən),USA pronunciation n., pl. -men.
- a member of the crew that operates a railroad train, usually an assistant to the conductor, such as a brakeman or flagman.
- 1635–45, in sense "member of a trainband''; 1875–80 for current sense; train + -man