From Longman Dictionary of Contemporary Englishrearview mirrorrear‧view mir‧ror /ˌrɪəvjuː ˈmɪrə $ ˌrɪrvjuː ˈmɪrər/ noun [countable] TTCa mirror inside a car etc that lets the driver see the area behind the car → wing mirror
Examples from the Corpus
rearview mirror• The large eyes in the rearview mirror looked away.• Tired eyes flashing in the rearview mirror, childish enthusiasm bubbling over.• Not cocky enough not to watch my speed, though, nor to keep looking in the rearview mirror.• I looked at myself in the rearview mirror.• Jen said, eyeing them in the rearview mirror.• In the rearview mirror, the eyes were searching for and not finding Wally: they were startlingly large.• Happiness is your competitors disappearing in your rearview mirror. 