Boatswain

Part of speech: noun (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.

2. The jager gull.

3. The tropic bird. Boatswain's mate, an assistant of the boatswain. Totten.