Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: Greek
Origin: sema 'sign' + -phoros 'carrying'

semaphore

 noun
     
Related topics: Communications
sem‧a‧phore [uncountable]
TC a system of sending messages using two flags, which you hold in different positions to represent letters and numbers
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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