Boatswain

Boat·swain

Boatswain

n.
  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. The jager gull. (Zool.)

Phrases & Compounds
Boatswain's mate
an assistant of the boatswain.