signalman

Noun

Meaning

A man whose business is to manage or display signals; especially, one employed in setting the signals by which railroad trains are run or warned.

Source: Webster's dictionary

signaller sentry guard beacon patrolman detective warden flag observer patrol policeman lookout picket custodian brakeman

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lord party householder proprietress host master

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-men

Other uses A U.S. Navy signalman sends Morse code signals in 2005. Source: Internet

The person who holds the flags is known as the signalman. Source: Internet

The signalman took the message, 'do you need help?' Source: Internet