Meaning of “semaphore” in the English Dictionary

british dictionary

"semaphore" in British English

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semaphorenoun [ U ]

uk /ˈsem.ə.fɔːr/ us /ˈsem.ə.fɔːr/

a system of communication using two flags held in your hands that are moved into different positions to represent different letters, numbers, or symbols

(Definition of “semaphore” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)