A mirror inside a vehicle that allows the driver to see the traffic behind. / (figuratively, by extension) The observer's perception of something that is past or has been surpassed.

(Australia, New Zealand) A rear-view mirror.

plural of rear vision mirror

Synonym of rear-view mirror

Engine layout in motor vehicles where only the rear wheels are driven.

(US, military, nautical) A commissioned officer in the United States Navy, Coast Guard, NOAA Corps, or PHS Corps of a grade superior to a captain and junior to a rear admiral (upper half). A rear admiral (lower half) is equal in grade or rank to an Army, Marine Corps, or Air Force brigadier general.

(US, military, nautical) A flag officer in the United States Navy, United States Coast Guard, National Oceanic and Atmospheric Administration Commissioned Corps, or Public Health Service Commissioned Corps of a grade superior to a rear admiral (lower half) and junior to a vice admiral. A rear admiral (upper half) is equal in grade or rank to an Army, Marine Corps, or Air Force major general. A rear admiral (upper half) wears a two star insignia on most uniforms and a gold stripe above a broad gold stripe on the sleeve of certain dress uniforms.

Alternative form of rear admiral (lower half)

Misspelling of rear admiral (upper half).

plural of rear admiral (lower half)