Read the dictionary definition of officer. All definitions for this word.
1. any person in the armed services who holds a position of authority or command
1. an officer is responsible for the lives of his men
2. someone who is appointed or elected to an office and who holds a position of trust
1. he is an officer of the court
2. the club elected its officers for the coming year
3. a person authorized to serve in a position of authority on a vessel
1. he is the officer in charge of the ship's engines
4. a member of a police force
1. it was an accident, officer
5. direct or command as an officer