semaphore
Noun
[change]![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Semaphore_Foxtrot.svg/220px-Semaphore_Foxtrot.svg.png)
- Semaphore is a system of sending messages using lights, mechanical signals or flags.
- Railways use semaphore to send messages to trains.
- Semaphore is a system of sending messages using two flags to show each alphabet letter.
- Sailors use semaphore flags to send messages between ships.
Verb
[change]
Plain form |
Third-person singular |
Past tense |
Past participle |
Present participle |
- To semaphore is to send a message using a semaphore system.
- The sailor semaphored the nearby ship.