/ ˈɑːbɪtrɑːʒ; -trɪdʒ; NAmE ˈɑːrbətrɑːʒ/ noun
[ U ] ( business ) the practice of buying sth (for example, shares or foreign money) in one place and selling it in another place where the price is higher
► ar·bi·tra·geur / ˌɑːbɪtrɑːˈʒɜː(r); NAmE ˌɑːrbətrɑːˈʒɜːr/ (also ar·bi·trager / ˈɑːbɪtrɪdʒə(r); NAmE ˈɑːrbətrɑːʒər/) noun
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WORD ORIGIN
late Middle English (originally denoting the exercise of individual judgement): from French , from arbitrer give judgement, from Latin arbitrari from arbiter judge, supreme ruler. The current sense dates from the late 19th cent.