# master-at-arms

> English word · Noun

## Definitions
1. A warrant officer or chief petty officer responsible for discipline aboard a naval ship.
2. A commissioned officer responsible for overseeing all fitness training in subordinate units.
3. A petty officer responsible for law enforcement, antiterrorism, force protection, and expeditionary warfare.
4. An officer in a fraternal or similar organization charged with maintaining order.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/master-at-arms