Lieutenant | Mean of lieutenant in English Dictionary

/luˈtɛnənt/

• Noun
• an officer in the army, navy, or air force with a fairly low rank
1. He was promoted to the rank of lieutenant.
2. Good morning, Lieutenant Smith.
• an officer in a fire or police department who has a rank below a captain
• an assistant to another, more powerful person
1. She has her best lieutenants working on a proposal.
2. one of the mobster's most loyal lieutenants