(Canada) An agent of municipal law enforcement responsible for ensuring obedience to the bylaws.

plural of bylaw officer

(US, Canada, law enforcement) A civil law enforcement officer with a duty to maintain law and order, i.e. bylaw officer, police officer, sheriff, etc.

plural of commanding officer

(law) A public officer authorized to hear and decide cases in a court of law. / (law) A huissier de justice, a process server and officer of the court in several European countries.

The officer in command of, and typically having ultimate authority over, a military unit.

A person of authority in the military who has not received a commission (a direct conveyance of authority from the sovereign government); as such they can have charge or control but not command in the most technical use of the word.

plural of commissioned officer

plural of warrant officer

plural of petty officer