/ˌɑ:bɪtrɑ:ˈʒɜ:(r) ||; ˌɑrbəˈtrɑʒɚ/(also arbitrager /ˈɑ:bɪtrɪdʒə(r) ||; ˈɑrbətrɪdʒɚ/) noun [C] a person whose job is to buy sth, for example foreign money, in one place and sell it in another place where the price is higher 套购商人；套汇掮客；套利者；套戥者