con·sul·tant/kən`sʌltənt; kənˈsʌltənt/ n [C] 1 someone with a lot of experience in a particular subject whose job is to give advice about it 顾问: a marketing consultant 市场顾问 2BrE a SENIOR hospital doctor who knows a lot about a particular kind of medical treatment 【英】 高级顾问医生; 会诊医生