(military) Any commissioned military officer who receives and disburses public money in his own name for purposes specified by law.

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.

(business) The highest-ranking corporate officer or executive officer of a corporation, company, or agency, responsible for carrying out the policies of the board of directors on a day-to-day basis; CEO.

The postal facility that deals with mail that cannot be delivered.

The highest-ranking corporate officer handling the legal affairs of a corporation, or agency.

(business) A corporate officer of a corporation, company, or agency, responsible for executing decisions of the chief executive officer (CEO) according to their decided schedule; often initialised as COO.

(UK) A person employed to enforce parking, traffic and other restrictions and laws in England and Wales, formerly known as a parking attendant.

(US, euphemistic) An incident in which a police officer shoots at another person.

(Canada, Navy) A warrant officer belonging to one of the two classes of chief petty officer: chief petty officer first class and chief petty officer second class.

(Britain) plural of left-luggage office