plural masters-at-arms
Definition of master-at-arms
: a petty officer charged with maintaining discipline aboard ship
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“Master-at-arms.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/master-at-arms. Accessed 26 Jan. 2022.
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Time Traveler for master-at-arms
The first known use of master-at-arms was in 1732
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