a number of ships is called a fleet.
A fleet
I heard they called him Old Pump-handle, because he shook a lot of hands.
the ships carrying emigrants were called "coffin" ships
Coffin ships were called coffin ships because lots of people died on them
Because they were ships? Do you mean longships? They were long and thin.
A ships accountant is called a "PURSER"
Ships crew
A lot of cruise ships have pool tables. So that is a "Yes"
they were called Sailing Ships
Wooden sailing ships.
A Flotilla is a small fleet of ships
The prison ships in "Great Expectations" are called the "Hulks." These were decommissioned ships used as floating prisons for convicts in England during the 18th and 19th centuries.