officer n1 : one charged with administering or enforcing the law [a police ]
2 : one who holds an office of trust, authority, or command [the directors, s , employees, and shareholders of a corporation]
3 : one who holds a position of authority or command in the armed forces [insubordinate to his commanding ]
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.