flying doctor
From Longman Dictionary of Contemporary EnglishRelated topics: Nurses, doctors, etcflying doctorˌflying ˈdoctor noun [countable] MNa doctor, especially in Australia, who goes by plane to visit sick people who live a long way from the nearest townExamples from the Corpusflying doctor• After being rejected by the Sandinistas, he resolved to become a flying doctor and ferry medical supplies to war-stricken campesinos.