A more thorough explanation:

Definition: The First Lord of the Admiralty was a minister and one of the lord commissioners who presided over the navy in Britain. They were assisted by other lords, called Sea Lords, and various secretaries.

Example: During the 19th century, the First Lord of the Admiralty was responsible for overseeing the British Navy and ensuring that it was properly equipped and staffed. They were also responsible for making strategic decisions about naval operations and coordinating with other government officials.

Explanation: The example illustrates how the First Lord of the Admiralty was a key figure in the British government and played an important role in ensuring the country's naval power. They were responsible for overseeing the navy's operations and making important decisions that could impact national security.