Semaphore

Pronunciation: /ˈsiməˈpieɪtʃˈɔɹ/

Semaphore (noun)

  1. a way to send messages using flags or lights.
  2. a device on railways that uses arms to show train signals.

Examples

  • The sailors used semaphore to communicate across the water.
  • Semaphore is effective for sending messages over long distances.

Common collocations: use semaphore, semaphore signals, semaphore system, railway semaphore, semaphore arm

Synonyms of Semaphore

Formal

Neutral