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English definition of “arbiter”

arbiter

noun [C] uk   /ˈɑː.bɪ.tər/ us    /ˈɑːr.bɪ.t̬ɚ/
someone who makes a judgment, solves an argument, or decides what will be done: the arbiters of fashion/taste The government will be the final arbiter in the dispute.People who analyse and judge
(Definition of arbiter from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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