From Longman Dictionary of Contemporary Englishwing mirrorˈwing ˌmirror noun [countable] British English TTCa mirror on the side of a car
Examples from the Corpus
wing mirror• As the Ford charged after the Mercedes, Dunn saw in his wing mirror a spurt of tracer fire.• They came down on the coach from Manchester and were delayed for an hour by a missing wing mirror.• Mobuto recoiled in horror, stumbling back painfully into the Studebaker's wing mirror.• Bill was leaning on his cab, spitting at the wing mirror and half-heartedly polishing it with his sleeve.• I could see in the wing mirror that my arrival had provoked some interest. 