Either of two senior officers in the Royal Navy ( First Sea Lord, Second Sea Lord) serving originally as members of the Admiralty Board (now of the Ministry of Defence).
More example sentences
- Also in the procession will be the Chief of the Defence Staff, Admiral Sir Michael Boyce, and the Chief of the Naval Staff, First Sea Lord Admiral Sir Nigel Essenhigh.
- He was an inept Home Secretary, and a worse First Sea Lord.
- In October 1919, Beatty was also appointed First Sea Lord.