Definition of master-at-arms in English:


Syllabification: mas·ter-at-arms

noun (plural masters-at-arms)

  • A naval petty officer appointed to carry out or supervise police duties on board a ship.
    More example sentences
    • The duties of the master-at-arms force are the same here as at any base in the world - ‘To protect and serve.’
    • Boys and girls have their own separate sections of the ship, with matrons and masters-at-arms to look after them, in addition to the educational staff.
    • As master-at-arms, he is the policeman of the ship.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody