an officer holding flag rank in any of certain navies, junior to a vice admiral
WordReference Random House Learner's Dictionary of American English © 2025
ˈrear ˈad•mi•ral, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Militarya commissioned officer in the U.S. Navy or Coast Guard ranking above a captain.
rear′ ad′miral,
- Military[U.S. Navy, Coast Guard.]a commissioned officer next in rank below a vice-admiral.
- 1580–90
Collins Concise English Dictionary © HarperCollins Publishers::
'rear admiral' also found in these entries (note: many are not synonyms or translations):
Byrd
- Chief of Staff
- Hawkins
- Nelson
- RA
- RAdm
- Rear Adm.
- Schley
- Wilkes
- admiral
- air vice-marshal
- captain
- commodore
- flag officer
- rā
- vice admiral