semafor meaning in English

semaphore [semaphores]▼(mechanism used to restrict access to a shared function or device to a single process at a time)
noun
[UK: ˈse.mə.fɔː(r)] [US: ˈse.mə.fɔːr]

semaphore [semaphores]▼(visual system for transmitting information)
noun
[UK: ˈse.mə.fɔː(r)] [US: ˈse.mə.fɔːr]

traffic light [traffic lights]▼(signalling device)
noun
[UK: ˈtræ.fɪk laɪt] [US: ˈtræ.fɪk ˈlaɪt]