Old midshipman Synonyms

Definitions for Old

(adjective) being of advanced years and especially past middle age
(adjective) dating or surviving from the distant past
(adjective) having been such at some previous time

OM abbreviation

OM is an abbreviation for Old Midshipman

What does OM stand for?

OM stands for "Old Midshipman"

Midshipman replaced

Definitions for Midshipman

(noun) a temporary rank held by young naval officers in training