Mast.
A mast.
Another word for a survey - poll Another word for a long cylinder - pole Poll and pole are homophones.
south hemisphere
Cargo ship or freighter are synonyms for container ship.
The pole is a flag holder. Mast is another word for flag holder.
Ship.
voyage
Vessel
Vessel
pole
Yes, another word for a ship's prison is "brig." It is a nautical term commonly used to refer to the place on a ship where prisoners or troublemakers are confined.
One choice is stake.