(military) An officer holding rank by virtue of a warrant rather than a commission. / (law enforcement) An officer assigned to execute warrants and other writs.

A non-commissioned officer in the Canadian, US and UK Navy and the US Coast Guard; roughly equivalent to a sergeant in the army

(countable) A place (building, office, shop, or counter) concerned with the business of delivering letters, post or mail and selling stamps, etc. / (countable) An organisation that delivers letters.

A junior male clerk employed in a professional office to perform odd jobs, such as running errands or making copies.

(Scotland) A person who looks after a large Scottish estate for a Lord, preventing illegal hunting and fishing, and liaises with tenant farmers.

plural of public office

(government) A position or occupation established by law or by the act of a government body, for the purpose of exercising the authority of the government in the service of the public.

one who holds public office; an official or employee of the government.

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.

An officer enforcing customs laws.