Definify.com
Definition 2024
executive_officer
executive officer
English
Alternative forms
- (abbreviation): XO
Noun
executive officer (plural executive officers)
- (military) second in command of a military unit or ship
Usage notes
On a US Navy ship, one might say "XO, you have the Con." which means "Executive Officer, you have control of the ship."
Translations
second in command of a military unit or ship
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