Semaphore

usgb/ˈseməfɔːr/
noun

A system for sending messages by holding the arms or two flags in certain positions to represent different letters.

The sailors used semaphore to send messages to the other ship.
Visual representation of "semaphore" - A system for sending messages by holding the arms or two flags in certain positions to represent different letters.

Often appears as...

  • use semaphore
  • semaphore signalling
Definition 1 of 2
Visual representation of "semaphore"
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Visual Communication

Semaphore is a visual method for conveying information at a distance using signals.

Illustration for Visual Communication
Before radios, semaphore was the swiftest means of ship-to-ship communication.
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Manual Signaling

Semaphore involves using body parts or objects to represent letters, requiring good visibility.

Illustration for Manual Signaling
The scout leader demonstrated semaphore by positioning flags to spell 'help'.
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Nautical Origins

Semaphore has historical roots in maritime communication, vital for safety and coordination.

Illustration for Nautical Origins
Mariners learned semaphore to signal other vessels during foggy conditions.
Visual representation of the word "Semaphore"

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