(military, nautical) A naval officer below the rank of vice admiral, originally in charge of a fleet's rear formation. / (slang) A proctologist.

(Royal Navy slang, 18th century) The Admiral's share of any booty or prize captured by any ship under his command.

(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

plural of Admiral's eighth

plural of vice admiral

plural of commodore admiral

(US, military, nautical, historical) a flag officer of a rank between a captain and a rear admiral, having a O7 NATO rank scale equivalency.

plural of red admiral

plural of white admiral