Lieutenant

English Meaning

An officer who supplies the place of a superior in his absence; a representative of, or substitute for, another in the performance of any duty.

1. A commissioned rank in the U.S. Navy or Coast Guard that is above lieutenant junior grade and below lieutenant commander.
2. A first lieutenant.
3. A second lieutenant.
4. One who holds the rank of lieutenant, first lieutenant, or second lieutenant.
5. A commissioned officer in the British and Canadian navies ranking just below a lieutenant commander.
6. An officer in a police or fire department ranking below a captain.
7. One who acts in place of or represents a superior; an assistant or deputy: the organized crime figure and his lieutenants. See Synonyms at assistant.