'master-at-arms' definitions:
Definition of 'master-at-arms'
From: WordNet
noun
The senior petty officer; responsible for discipline aboard ship
Definition of 'master-at-arms'
From: GCIDE
- master-at-arms \master-at-arms\ n. (Naut.) The senior petty officer of a ship, responsible for discipline aboard the ship. [WordNet 1.5]