Boatswain

имя существительное боцман

Большой англо-русский словарь

Boatswain

or bosun; also bos'n or bo's'n or bo'sun noun Etymology: Middle English bootswein, from boot boat + swein boy, servant — more at swain 1. a petty officer on a merchant ship having charge of hull maintenance and related work 2. a naval warrant officer in charge of the hull and all related equipment

Merriam-Webster's Collegiate Dictionary