rearview mirror

US /ˈrɪr.vjuː ˌmɪr.ər/
UK /ˈrɪr.vjuː ˌmɪr.ər/
"rearview mirror" picture
1.

백미러, 룸미러

a mirror in a vehicle that allows the driver to see the road and traffic behind

:
He checked his rearview mirror before changing lanes.
그는 차선 변경 전에 백미러를 확인했다.
The police car appeared suddenly in my rearview mirror.
경찰차가 갑자기 내 백미러에 나타났다.