1. people who send or communicate signals

Examples

• The military signalers used flags to communicate across the battlefield.
• Railway signalers control train movements by operating signal lights.
• The ship’s signalers sent distress messages using Morse code.
• Emergency signalers guided the rescue helicopters to the crash site.
• Naval signalers coordinated the fleet’s movements during the exercise.
• The signalers worked in shifts to maintain 24-hour communication.