- Army. a commander of any rank from second lieutenant to colonel.
Origin of commanding officer
First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for commanding officer
During the campaign he was a boon companion of every commanding-officer.
The commanding-officer, with the staff and three companies, were put on board the Fox.Twenty-Five Years in the Rifle Brigade
And this fine hymn was a favourite with Captain Æneas Pond, the commanding-officer of the Die-hards.Merry-Garden and Other Stories
Sir Arthur Thomas Quiller-Couch
Father Christmas one afternoon happened to inquire at the Commanding-officer what time it was.Adventures in Toyland
Edith King Hall
This last insinuation probably induced Waverley to set both down to the prejudices of his commanding-officer.Waverley
Sir Walter Scott
- an officer in command of a military unit