What is a semaphore?

India
December 7, 2006 6:48am CST
I think a dupilate.
1 response
Desertbird
@Desertbird (323)
• United States
7 Dec 06
A semaphore is like a signal, usually with flags. Think like a runway for a plane when it comes in at night. People are sometimes guiding it with lights, the lights are semaphores.