Admiral of the Blue.* Originally, admiral commanding rear division of a fleet. Later, a rear-admiral.
Admiral of the Fleet. Highest rank in Royal Navy. Distinguishing flag is Union Flag at mainmast head.
Admiral of the Red.* Senior admiral, commanding centre division of a fleet. Later, an admiral.
Admiral of the White.* Originally, admiral commanding van division of a fleet. Later, a vice-admiral.
Admiralty. Control of the seas. 2. The Lords Commissioners for executing the office of Lord High Admiral of Great Britain, etc. 3. The Board of Admiralty. 4. The buildings in which the offices of the Board of Admiralty are situated.