Definition

1. Noun:

   • A visual signaling system: A system for sending messages using visual signals, typically involving flags, lights, or mechanical arms.
   • A signaling apparatus: A device, such as a post with movable arms or a set of lights, used to send these visual signals.

2. Verb:

   • To signal using a semaphore system: To convey information by means of flags, lights, or mechanical arms.
   • To send signals visually: To communicate using any form of visual signaling, often resembling the method of a semaphore.

Usage Examples

• Noun:

  • The railway station used a semaphore to signal the train's arrival.
  • Sailors learned to read the semaphore flags to understand messages from other ships.

• Verb:

  • The sailor semaphored a warning to the other vessel.
  • They semaphored their position to the rescue team using mirrors.

Advanced Usage

• "to semaphore a message": to send a specific message using semaphore signals.

  • The scout was able to semaphore the message "all clear" across the valley.

• "to semaphore one's intentions": to clearly indicate one's plans or feelings through obvious, often non-verbal, signals.

  • By arriving early and setting up his equipment, he semaphored his serious intentions for the project.

Variants and Related Words

• Semaphoric (adj): Relating to or using semaphore.

  • The semaphoric communication was slow but reliable before the radio.

• Semaphoring (n/gerund): The act of signaling with a semaphore.

  • His semaphoring was precise and easy to follow.

Synonyms

• Signal (v/n): To send or a sign conveying information.
• Flag down (v): To signal to stop, especially using a flag or one's arms.

Related Phrases

• Semaphore alphabet/system: The specific code of positions for flags or arms representing letters and numbers.
  • He learned the semaphore alphabet as part of his nautical training.

Idioms

• To send up a semaphore: (Figurative) To give a very clear and unmistakable sign or signal.
  • Her sudden resignation sent up a semaphore that there were serious problems in the company.

Noun

1. an apparatus for visual signaling with lights or mechanically moving arms

Verb

1. convey by semaphore, of information
2. send signals by or as if by semaphore