Somebody employed to operate the signals and points of a railway.(noun)
A member of the armed forces responsible for signalling.(noun)
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Use "signalman" in a sentence
"In total, he called the signalman three times requesting help, and another London Underground member of staff, Dave Matthews, had called once, but the line was cut off."
"Surely you would not call a signalman unfeeling because he held out a red lamp when he knew that just round the curve beyond his cabin the rails were up, and that any train that reached the place would go over in horrid ruin."
"These 53% only amount to 37% of the total RMT members elligible to vote. being a signalman is a pretty responsible job and I find 99% of them to be sound and helpful lads, I don't want to see them screwed over or made redundant by the cnunts that are Netwank Fail management."