It depends of the compartment of course, some are more important than others, but a general compartment I believe might be termed a 'berth.'
On a cruise ship it is called a cabin or berth. On a military vessel or merchant ship it is called a compartment.
It was called unsinkable because it had sixteen water tight compartment and if five flooded the ship could still keep moveing with out sinking
Bilge
a brig is a ship and a compartment of a ship that is a jail cell.
An afterpeak is the compartment nearest the stern in the hold of a ship.
The lowest compartment in a ship's hold is usually referred to as the bilge. It is located at the very bottom of the ship and is used to collect water or other liquids that may enter the hull. The bilge is important for maintaining the ship's stability and preventing flooding.
Some are called rooms - Engine Room, Chart Room. Some are compartments - Sleeping Compartment Some are called cabins - Captain's Cabin But a lot are just called "spaces" - Office Space
ihdaoi
I is called a "Stall"
A ship called she because a ship is always WET
A ship called she because a ship is always WET
The Confederate ship was called the Merrimack and the Union ship was called the Monitor.