Boatswain - Wikipedia
https://en.wikipedia.org/wiki/Boatswain
WebA boatswain (/ ˈ b oʊ s ən / BOH-sən, formerly and dialectally also / ˈ b oʊ t s w eɪ n / BOHT-swayn), bo's'n, bos'n, or bosun, also known as a deck boss, or a qualified member of the deck department, is the most senior rate of the deck department and is responsible for the components of a ship's hull.
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