master-at-arms

[ mas-ter-uh t-ahrmz, mah-ster- ]

/ ˈmæs tər ətˈɑrmz, ˈmɑ stər- /

an officer of a fraternal organization, veterans' society, or the like, empowered to maintain order, exclude unauthorized persons, etc.

Navy. a petty officer who has various duties, such as keeping order on the ship, taking charge of prisoners, etc.

Origin of master-at-arms

First recorded in 1740–50

He made a quick run for the ladder leading on deck, but was stopped by the master-at-arms, who demanded an explanation.

A Gunner Aboard the "Yankee" |Russell Doubleday
Ordly, tell the master-at-arms to see that these lads have a warm meal before they leave the ship this afternoon.

The Battleship Boys at Sea |Frank Gee Patchin
“Master-at-arms, take charge of the prisoner; punishment is deferred,” cried the captain, springing on to the poop.

Will Weatherhelm |W.H.G. Kingston
At another sign from the captain, the master-at-arms, stepping up, removed the shirt from the prisoner.

Sustained honor |John R. Musick,

The master-at-arms, who had been looking for him, told him that he was wanted on the quarterdeck.

The Rival Crusoes |W.H.G. Kingston

master-at-arms

the senior rating, of Chief Petty Officer rank, in a naval unit responsible for discipline, administration, and police duties