Definitions
There is 1 meaning of the phrase
Semaphore Line.
Semaphore Line - as a noun
A system of conveying information by means of visual signals, using towers with pivoting shutters; information is encoded by the position of the mechanical elements.
Synonyms (Exact Relations)
shutter telegraph chainExample Sentences
"The sailors use a semaphore line to communicate with the shore."
"The semaphore line was used to send messages across long distances during wartime."
"She learned how to use a semaphore line to send signals."
"The semaphore line was an important method of communication before the invention of telephones."
"They set up a semaphore line between the two lookout towers."
