High CommissionerBrE/ˌhaɪ kəˈmɪʃənə(r)/NAmE/ˌhaɪ kəˈmɪʃənər/nounapersonwhoissentbyoneCommonwealthcountrytoliveinanother, toprotecttheinterestsoftheirowncountry(英联邦国家之间互派的)高级专员apersonwhoisheadofanimportantinternationalproject重大国际项目负责人;高级专员◆theUnitedNationsHighCommissionerforRefugees联合国难民事务高级专员