Definition of master at arms in English English dictionary
A petty officer responsible for law enforcement, antiterrorism, force protection, and expeditionary warfare
A warrant officer or chief petty officer responsible for discipline aboard a naval ship
Then he was telling us the master at arms comes along with a long cane and he draws out and he flogs the bloody backside off of the poor lad till he yells meila murder.
A commissioned officer responsible for overseeing all fitness training in subordinate units