noun
rear-view mirror
Wasei-eigo from 'room mirror'; refers specifically to the interior rear-view mirror of a vehicle.
wasei-eigo (Japanese-coined English), from room mirror
運転する前にルームミラーの角度を確認した。
I checked the angle of the rear-view mirror before driving.
ルームミラーに後ろの車が映っ
The car behind is reflected in the rear-view mirror.