(UK, Navy) A warrant officer or chief petty officer responsible for discipline aboard a naval ship.

(Canada, Navy) A non-commissioned officer in the Canadian Forces Maritime Command, ranking above leading seaman and below petty officer second class.

plural of master seaman

(US, Navy) A non-commissioned officer in the United States Navy and United States Coast Guard, ranking above senior chief petty officer.

Alternative spelling of bargemaster

plural of barge master

plural of master of ceremonies

(nautical) A seaman who has qualified to be a captain of a merchant ship

plural of master mariner

A large breed of dog from Central Asia.