signaller
/ˈsɪɡnələr/
noun
- A person who sends or interprets signals, especially in the military, on a railway, or in sports.
- The signaller used flags to communicate with the train crew.
- In the army, a signaller is responsible for maintaining communication lines.
- The referee's assistant acted as a signaller for offside plays.
- A device that sends or displays signals.
- The old telegraph signaller clicked out a message in Morse code.
- The railway signaller showed a green light for the train to proceed.
- An electronic signaller on the dashboard warned of low tire pressure.
Synonyms