officer
noun
1. any person in the armed services who holds a position of authority or command
- an officer is responsible for the lives of his men
Definition categories: person, man, serviceman
2. someone who is appointed or elected to an office and who holds a position of trust
- he is an officer of the court
- the club elected its officers for the coming year
Similar word(s): officeholder
Definition categories: person, holder, functionary, official
3. a member of a police force
- it was an accident, officer
Similar word(s): policeman
Definition categories: person, lawman
4. a person authorized to serve in a position of authority on a vessel
- he is the officer in charge of the ship's engines
Definition categories: person, gob, jack, mariner, seafarer, seaman, tar