The department or officers having authority over naval affairs generally.

The building in which the lords of the admiralty, in England, transact business.

the department in charge of the navy (as in Great Britain)

The part of the British military that controls the Royal Navy.

A term used for official British patterns of instruments, weapons, or other items.

Department of the Navy adopt (in politics) slate (nominate or select) as a candidate for office

The Admiralty was formerly the authority in the United Kingdom responsible for the command of the Royal Navy. Originally exercised by a single person, the office of Lord High Admiral was from the 18th century invariably put "in commission", and was exercised by a Board of Admiralty, officially known as The Commissioners for Exercising the Office of Lord High Admiral of the United Kingdom of Great Britain and Northern Ireland, &c. (alternatively of England, Great Britain or the United Kingdom of Great Britain and Ireland depending on the period).