A Warrant Officer is a specialized military rank that is typically held by experienced personnel who have served in the military for many years. The term 'Warrant Officer' can be broken down into three crossword solutions: BOSUN (5 letters), BOATSWAIN (9 letters), and Bosn (4 letters). BOSUN is an old-fashioned term for a Warrant Officer, while BOATSWAIN is a more modern term for the same rank. Bosn is a shortened version of BOATSWAIN. All three terms refer to the same rank of Warrant Officer.