1. admiral of the fleet - Noun
2. Admiral of the fleet - Proper noun
Admiral of the Fleet
(nautical) The highest-ranking officer in the Royal Navy.
(military, UK) the highest rank in the Royal Navy and other navies, NATO grade OF-10, usually reserved for wartime and ceremonial use.
(military, US, dated) fleet admiral
Source: en.wiktionary.orgAdmiral of the Fleet Lord Mountbatten had spent considerable effort arguing that the project should be cancelled at once in favour of his Navy being armed with nuclear weapons, capable of pre-emptive strike. Source: Internet
In May 1944 he was given the rank of Admiral of the Fleet – a newly created position initially equated to that of a four-star general. Source: Internet
Grigg 2002, p372 Retirement Lord and Lady Jellicoe, 1924 Jellicoe was promoted to Admiral of the Fleet on 3 April 1919. Source: Internet