lieutenant
/luːˈtɛnənt/
noun
- A military officer ranking below a captain and above a second lieutenant.
- The lieutenant led his platoon through the forest.
- The lieutenant reported to the captain every morning.
- She was promoted to lieutenant after five years of service.
- A person who acts as a deputy or second-in-command to a superior.
- He served as the lieutenant to the company's CEO.
- She was the lieutenant of the volunteer fire department.
- The police lieutenant oversaw the investigation.