noun
1. : the principal staff officer in a command below division level
2. : the military officer second in command of a company or similar organization
3. : the second in command of a ship, station, or air squadron in the navy
noun
1. : the principal staff officer in a command below division level
2. : the military officer second in command of a company or similar organization
3. : the second in command of a ship, station, or air squadron in the navy
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012