Definition of admiral of the narrow seas in English English dictionary
One who, from drunkenness, vomits into the lap of the person sitting opposite to him. (1811 Dictionary of Vulgar Tongue)
Two officers watched the Downs; a Lord Warden of the Cinque Ports, an Admiral of the Narrow Seas. For many years Northampton had been Lord Warden, and the kings of Spain had paid him for his treacheries a thousand pounds a-year.