One who holds an office of authority or trust in an organization, such as a corporation or government, One who holds an office, or to whom has been intrusted a share in the management or direction of some business or undertaking, such as a society, corporation, company, etc., or who fills some position involving responsibility, to which he has been formally appointed, A policeman, constable, or beadle, verb_ direct or command as an officer, transitive verb_ To furnish with officers; to appoint officers over, To command as an officer