Boatswain
['bəʊs(ə)n] or ['bosn]
Definition
(noun.) a petty officer on a merchant ship who controls the work of other seamen.
Edited by Elise--From WordNet
Definition
(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, and performs other duties.
(n.) The jager gull.
(n.) The tropic bird.
Checker: Witt
Definition
n. a petty officer on board ship who looks after the boats rigging &c. and calls the seamen to duty with a whistle.
Checker: Ronnie