Semaphore (disambiguation)

Look up semaphore in Wiktionary, the free dictionary.

Semaphore usually refers to flag semaphore. It may also refer to;

Optical-telegraph systems

• Semaphore line, a system of long-distance communication based on towers with moving arms
• Railway semaphore signal for railway traffic control

Other

• Traffic semaphore, another name for automotive traffic lights based on their early resemblance to railway semaphores
• Turning semaphore or trafficators, retractable arms to indicate turns on automobiles from the 1920s to 1950s
• Semaphore (programming), in computer science, a mechanism for supporting mutual exclusion in concurrent programs
• Semaphore, South Australia, a historic seaside suburb of Adelaide
• Semaphore railway line, Adelaide, a closed railway line in South Australia
• Semaphore (album), a 1998 album by Fridge
• Semaphore (song), the 2004 7" single by the New Zealand post-rock band Jakob
• Semaphore, fictional professor in Cubitus comic strips or Wowser cartoons

See also

• International maritime signal flags, one system of flag signals representing individual letters of the alphabet in signals to or from ships
• Telegraphy, the long-distance transmission of written messages without physical transport of written letters