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English definition of “lingua franca”

lingua franca

noun [C usually singular] uk   /ˌlɪŋ.ɡwəˈfræŋ.kə/ us  
a language used for communication between groups of people who speak different languages but not between members of the same group: The international business community sees English as a lingua franca.Forms of languages and specialist dialects
(Definition of lingua franca from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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