Cruiseis a trip or voyage by cruise-ship.
Modern cruise-ship is like a hotel in the sea.
It has a lot of amenities for tourists. Different tipes of cruises exist:
Ocean cruise
River cruise
Luxury cruise
Family cruise
Adventure cruise
World cruise
Cruise ships are large passenger ships used mainly for vacationing.
Unlike ocean liners, which are used for transport, cruise ships typically embark on
round-trip voyages to various ports-of-call,
where passengers may go on tours known as "shore excursions".