D defs.my
Entry 2 senses Webster, 1913

Boatswain

/bōt'-swān/ · Boat·swain · IPA /ˈboʊ.sən/
01 n. An officer who has charge of the boats, sails, rigging, colors, anchors, cables, cordage, etc., of a ship, and who also summons the crew, a…
  1. 1.
    An officer who has charge of the boats, sails, rigging, colors, anchors, cables, cordage, etc., of a ship, and who also summons the crew, and performs other duties.(Naut.)
  2. 2.
    The jager gull.(Zool.)
Phrases & compounds
Boatswain's mate — an assistant of the boatswain.