master-at-arms

[ mas-ter-uh t-ahrmz, mah-ster- ]
/ ˈmæs tər ətˈɑrmz, ˈmɑ stər- /

noun, plural mas·ters-at-arms.

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for master-at-arms

master-at-arms


noun plural masters-at-arms

the senior rating, of Chief Petty Officer rank, in a naval unit responsible for discipline, administration, and police duties
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012