mas·​ter-at-arms ˈma-stər-at-ˈärmz How to pronounce master-at-arms (audio)
plural masters-at-arms
: a petty officer charged with maintaining discipline aboard ship

Word History

First Known Use

1732, in the meaning defined above

Time Traveler
The first known use of master-at-arms was in 1732

Dictionary Entries Near master-at-arms

Cite this Entry

“Master-at-arms.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2023.

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